(A) White
(B) Black
(C) Maroon
(D) Dark Blue
The answer is: (A) White
Tag: pengravity css and pms preparation
What is the magnitude of the vector 12i-8j-24k?
(A) 18
(B) 28
(C) 38
(D) 48
The answer is: (B) 28
Solution
Magnitude = sqrt[(12)2+(-8)2+(-24)2]
= sqrt[144+64+576]
= sqrt[784]
= 28
Moment of inertia of solid sphere is
(A) 2/3 Mr2
(B) 1/2 Mr2
(C) 2/5 Mr2
(D) None of these
The answer is: (C) 2/5 Mr2
The moment of inertia of a solid sphere about its diameter is (2/5)Mr2.
In a family of 6, A is the mother of B. C is the father of D. E is the son of A. Who is F? (1) F is the husband of A. (2) F is the father of B.
- A) Statement 1 alone
- B) Statement 2 alone
- C) Both needed
- D) Either one
Answer: D) Either one
A box contains 3 red and 2 blue balls. Is the first ball picked red? (1) A red ball was picked and replaced. (2) The second pick was blue.
- A) Statement 1 alone
- B) Statement 2 alone
- C) Both needed
- D) Can’t say
Answer: D) Can’t say
Who is tallest? (1) A is taller than B but shorter than C. (2) D is taller than C.
- A) Statement 1 alone
- B) Statement 2 alone
- C) Both needed
- D) Can’t say
Answer: D) Can’t say
What is the code for ‘GOOD’? (1) ‘GOOD BOY’ is coded as 123 456. (2) ‘BAD BOY’ is coded as 789 456.
- A) Statement 1 alone
- B) Statement 2 alone
- C) Both needed
- D) Either one
Answer: A) Statement 1 alone
Is A older than B? (1) A is older than C. (2) C is older than B.
- A) Statement 1 alone
- B) Statement 2 alone
- C) Both needed
- D) Either one
Answer: C) Both needed
Find the odd one: Iron, Copper, Plastic, Silver
- A) Iron
- B) Copper
- C) Plastic
- D) Silver
Answer: C) Plastic
Find the odd one: Monday, Tuesday, Friday, August
- A) Monday
- B) Tuesday
- C) Friday
- D) August
Answer: D) August