HEC HAT - Management Sciences (MS) MCQs 2026

An oil company concluded waterfowl exposed to oil spills have a 95% survival rate, based on birds admitted to a clinic near a spill where only one in twenty died. Which most seriously doubts this conclusion

1. AEach affected bird that died was larger than average for its species✓
2. BMany affected birds that survived had suffered serious injuries✓
3. CMost affected birds were exposed to oil floating on the surface✓
4. DOnly affected birds that seemed likely to survive were brought to the clinic✓

Hosts buy visually striking invitations only where many parties are scheduled at the same time. A firm making such invitations is in Los Angeles, so LA's party schedule must be crowded. This argument assumes that

1. Aat most parties there are uninvited guests who add to attendance✓
2. Bmany of the striking invitations made in Los Angeles are bought for parties in Los Angeles✓
3. Ca party guest can attend no more than one party per evening✓
4. Dthere is also a firm in Los Angeles that makes ordinary invitations✓

Read: "John Rolfe became the father of the tobacco industry. By 1610 he perfected methods of raising and curing the pungent weed, after which crops were planted throughout Jamestown." Before the British colonists grew it for selling, tobacco was a ______ plant.

1. Aaquatic✓
2. Bpoisonous✓
3. Cunknown✓
4. Dwild✓

Choose the best fit: If you PORE over something you ______ it ______.

1. Aaccept, happily✓
2. Bcreate, unknowingly✓
3. Clend, grudgingly✓
4. Dread, thoroughly✓

HEN : COOP ::

1. Acock : crow✓
2. Bdog : kennel✓
3. Celephant : cow✓
4. Dlion : charge✓

Choose the word MOST NEARLY OPPOSITE: An ARDUOUS job is not ______.

1. Abeneficial✓
2. Bdangerous✓
3. Ceasy✓
4. Dlucrative✓

Choose the word MOST NEARLY OPPOSITE: The plan remained COVERT and was not ______.

1. Achanged✓
2. Bdisclosed✓
3. Cimplemented✓
4. Drejected✓

Choose the word MOST NEARLY SIMILAR: The presenter showed LEVITY and remained ______ all the time.

1. Aangry✓
2. Bconfident✓
3. Cnervous✓
4. Dnon-serious✓

In 1980 the public and private sectors employed equal numbers. From 1980 to 1984 public-sector employment fell by more than private-sector employment rose. If the unemployment rate was the same in both years, which must be true

1. AFewer people were in the labor force in 1984 than in 1980✓
2. BCompetition for available work increased between 1980 and 1984✓
3. CTotal employment increased between 1980 and 1984✓
4. DThe number counted as unemployed was the same in 1980 and 1984✓

A display of 5 products has 3 hardware from K, L, M, N, O and 2 software from R, S, T, U. Rules: if K is shown then U is shown; M is shown only if both L and R are shown; N and O are shown together or not at all; if S is shown then neither T nor U is shown. If K and T are the first two items selected, how many acceptable groups complete the display

1. A1✓
2. B2✓
3. C3✓
4. D4✓

Saima ______ she was waiting at the bus stop.

1. Ahas said✓
2. Bsaid✓
3. Csay✓
4. Dsays✓

The explorers wanted to go inside the cave ______ danger.

1. Aalthough✓
2. Bdespite✓
3. Ceven though✓
4. Dsince✓

Choose the best standard English: "We usually have lunch about two."

1. AWe usually have lunch about two✓
2. BWe usually have lunch around two✓
3. CWe usually have lunch on two✓
4. DWe usually have lunch two o'clock✓

BUILDING : BRICKS ::

1. Achildren : home✓
2. Bcomputer : monitor✓
3. Clanguage : words✓
4. Dsatellite : star✓

A display of 5 products has 3 hardware from K, L, M, N, O and 2 software from R, S, T, U. Rules: if K is shown then U is shown; M is shown only if both L and R are shown; N and O are shown together or not at all; if S is shown then neither T nor U is shown. Which of the following is an acceptable display

1. AK, L, M, R, U✓
2. BK, M, N, O, R✓
3. CL, M, O, R, S✓
4. DM, N, O, T, U✓

A display of 5 products has 3 hardware from K, L, M, N, O and 2 software from R, S, T, U. Rules: if K is shown then U is shown; M is shown only if both L and R are shown; N and O are shown together or not at all; if S is shown then neither T nor U is shown. If T and U are displayed, which must also be displayed

1. AK✓
2. BL✓
3. CM✓
4. DN✓

A display of 5 products has 3 hardware from K, L, M, N, O and 2 software from R, S, T, U. Rules: if K is shown then U is shown; M is shown only if both L and R are shown; N and O are shown together or not at all; if S is shown then neither T nor U is shown. If N and O are NOT displayed, all of the following must be displayed EXCEPT

1. AK✓
2. BM✓
3. CR✓
4. DT✓

A researcher found brain abnormalities in most of 300 unusually violent people and concluded such abnormalities can predict violent behavior. Which most weakens this conclusion

1. AA wide variety of violent actions were shown by those studied✓
2. BThe abnormalities found are of two distinct kinds✓
3. CBrain abnormalities are just as common in the general population as in the group studied✓
4. DThose studied acted violently toward strangers as well as acquaintances✓

The value of log base 3 of 27 is

1. A1✓
2. B3✓
3. C6✓
4. D9✓

The sum of the first hundred natural numbers is

1. A4500✓
2. B4850✓
3. C5000✓
4. D5050✓

An argument says nuclear-winter predictions cannot be believed because scientists cannot reliably predict tomorrow's weather. Which most seriously weakens this argument

1. ANuclear-winter predictions are speculative since they cannot be tested by safe experiment✓
2. BThe nuclear-winter theory concerns drastic climate change, not day-to-day weather fluctuations✓
3. CThe nuclear-winter theory uses data available to daily weather forecasters✓
4. DWeather forecasters usually do not claim their predictions are infallible✓

Luis has just seen two ravens; therefore the next bird he sees will be a raven. Which most strengthens this argument

1. ALuis has seen ravens in places other than where he is now✓
2. BLuis is in California, and ravens are occasionally seen in California✓
3. CRavens generally build nests far from other ravens✓
4. DRavens tend to move in flocks✓

The price of 15 birds is Rs. 180. The price of 20 such birds is Rs.

1. A200✓
2. B220✓
3. C225✓
4. D240✓

If A = {1, 2, 3} and B = {a, b, c}, then A and B are ______ sets.

1. Aequal✓
2. Bequivalent✓
3. Cinverse✓
4. Dpower✓

An angle drawn in a semicircle (in the semicircular arc) is

1. A30 degrees✓
2. B60 degrees✓
3. C90 degrees✓
4. D270 degrees✓

The graph of f(x) = -5x squared + 3x + 7 is concave

1. Adown✓
2. Bleft✓
3. Cright✓
4. Dup✓

Two cars leave a point, one going west at 30 km/h and the other north at 40 km/h. After 2 hours the distance between them is

1. A50 km✓
2. B70 km✓
3. C100 km✓
4. D125 km✓

The probability of getting two heads when a coin is tossed twice is

1. A1/4✓
2. B1/3✓
3. C1/2✓
4. D1✓

If one-seventh of a number is 2, then three times the number is

1. A2/7✓
2. B2✓
3. C14✓
4. D42✓

The domain of f(x) = (3x - 5)/(2x + 6) is

1. A{5/3, -3}✓
2. Ball real numbers✓
3. Call real numbers except -3✓
4. Dall real numbers except 5/3✓