Aptitude Tests 4 Me

Basic Numeracy/Quantitative Aptitude

182. If V = 12R / (r + R) , then R =

 (a) Vr / (12 - V) (b) Vr + V /12 (c) Vr - 12 (d) V / r - 12

183. The number 0.127 is how much greater than 1/8 ?

 (a) ½ (b) 2/10 (c) 1/50 (d) 1/500

184. Which of the following could not be the lengths of the sides of a right angled triangle?

 (a) 3, 4, 5 (b) 5, 12, 13 (c) 8, 15, 17 (d) 12, 15, 18

185.

Two equal circles are cut out of a rectangle of card of dimensions 16 by 8. The circles have the maximum diameter possible. What is the approximate area of the paper remaining after the circles have been cut out?

 (a) 104 (b) 78 (c) 54 (d) 27

186.

If a and b are both positive, which of the following is a simplification of the expression above?

 (a) a² + b² + 1 (b) a + b (c) a - b (d) ab

187. x = y - (50/y), where x and y are both > 0 If the value of y is doubled in the equation above, the value of x will

 (a) decrease (b) stay the same (c) increase four fold (d) increase to more than double

TOTAL

Detailed Solution