0
Q:

# The surface area of a sphere is 1386 $cm2$.  Find its diameter (in cm)

 A) 10.5 B) 42 C) 21 D) 31.5

Explanation:
Q:

Three of the following four word-pairs are alike in a certain way and one is different. Pick the odd one out.

 A) Chisel : Sculptor B) Anvil : Blacksmith C) Paper : Book D) Scalpel : Surgeon

Explanation:

0 50
Q:

A certain sum is divided among A, B, C and D such that the ratio of the shares is A : B : C : D = 4 : 12 : 30 : 45. If the difference between the shares of A and D is ₹5,535, then the total sum (in ₹) is:

 A) 12785 B) 13550 C) 12285 D) 11000

Explanation:

0 43
Q:

Select the correct combination of mathematical signs that can sequentially replace the * signs and balance the equation.
512*32*9*100*6*25*2

 A) ÷, ×, +, =, −, × B) ÷, ×, +, −, =, × C) ÷, ×, −, +, =, × D) +, ×, ÷, =, −, ×

Explanation:

0 38
Q:

Select the option in which the numbers are related in the same way as are the numbers of the following set.

173 : 125 : 85

 A) 365 : 293 : 229 B) 285 : 221 : 135 C) 259 : 199 : 147 D) 293 : 228 : 171

Explanation:

0 168
Q:

If sqrt x + frac{1}{sqrt x} = 2sqrt2, then x^2 + frac{1}{x^2} is equal to:

 A) 36 B) 34 C) 32 D) 64

Explanation:

2 249
Q:

If a + b + c = 8 and ab + bc + ca = 20, then a^3 + b^3 + c^3 - 3abc is equal to:

 A) 30 B) 24 C) 32 D) 36

Explanation:

1 1695
Q:

The usual average speed of a car on a particular stretch of road is 75 km/hr. On a particular day, the average speed was 12% less than the usual, as a result of which the time taken was I S minutes more.

How long is the stretch of road, in kilometres?

 A) 155 B) 176 C) 165 D) 150

Explanation:

1 353
Q:

In an examination in which the full marks were 500, A scored 25% more marks than B, B scored 60% more marks than C and C scored 20% less marks than D. IfA scored 80% marks, then the percentage of marks obtained by is:

 A) 65% B) 60% C) 50% D) 54%