General Knowledge Questions for NET, IAS, State-SET (KSET, WBSET, MPSET, etc.), GATE, CUET, Olympiads etc.- Part 57

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Q. Simplify

A. 340

B. 300

C. 230

D. 200

Answer: C

Q. The Smallest number added to 680621 to make the sum a perfect square is:

A. 4

B. 5

C. 6

D. 8

Answer: A

Q.In 10 years, A will be twice as old as B was 10 years ago, if A is now 9 years older than B, the present age of B is:

A. 19 years

(b) 29 years

(c) 39 years

(d) 49 years

Answer: C

Q. The largest number from among :

A.

B.

C.

D. All are equal

Answer: B

Q.In an examination, 80% of the students passed in English, 85% in Mathematics and 75% in both English and Mathematics. If 40 students failed in both the subject, find the total number of student.

A. 400

B. 450

C. 500

D. 600

Answer: A

Q. 6.46 in the fractional from is:

A. 646⟋99

B. 64640⟋1000

C. 640⟋100

D. 640⟋99

Answer: D

Q. The HCF of 2⟋3,8⟋9,64⟋81 and 10⟋27 is:

(a) 2⟋3

(b) 2⟋81

(c) 160⟋3

(d) 160⟋61

Answer: B

Q. A car is running at a speed of 108 km⟋m. What distance will it cover in 15 second?

A. 45m

B. 55m

C. 450m

D. None of these

Answer: A

Q. The simple interest on a sum of many at 8% per annum for 6 years is half the sum. The sum is:

A. ₹ 4800

B. ₹ 6000

C. ₹ 8000

D. Data inadequate

Answer: D

Q. If the radius of a circle is increased by 75% than its circumference will increase by:

A. 25%

B. 50%

C. 75%

D. 100%

Answer: C

Q. If Sine⟋ Coso = 1 than O =-?

A. 60o

B. 30o

C. 45o

D. 90o

Answer: C

Q. Curved surface area of a hemisphere is -?

A. 3nr2

B. 2nr2

C. 4nr2

D. nr2

Answer: B