# General Aptitude – Multiple Choice Questions (MCQ) and Answers

**39-If a, b, c are three consecutive natural numbers then 1+ac=**

(A) 2b

(B) b^{2}

(C) 2b^{2}

(D) 1+b

**40-Three sides of a triangle are 3cm, 4cm and 5cm. Then sine of the angle opposite to the smallest side is**

(A) 3/5

(B) 3/4

(C) 4/5

(D) 1/4

**41-The angle between the minute and hour hand of a clock, when the time is 25 minutes past 5 O’ clock, is**

(A) 0°

(B) 10°

(C) 12.5°

(D) 25°

**42-If the base of a rectangular solid tank is 1.2 metre x ½ metre and whose height is 0.8 metre. If water flows into it at the rate of 15 litres/minute, the time taken to fill the tank is**

(A) 15 minute

(B) 24 minute

(C) 7.5 minute

(D) 32 minute

**43-From the top of a tower 50 metres high, the angles of depression of two vehicles which are due south of the observer, are 15****°**** and 75****°****. The distance between the two vehicles is**

(A) 100m

(B) 200√3m

(C) 100√3m

(D) 50√3m

**44-If the length of the perpendicular from the centre of a circle to the chord of the circle of length 10cm is 12cm then the radius of the circle is**

(A) 22 cm

(B) 11 cm

(C) 13 cm

(D) 120 cm

**45-The common ratio in the geometric progression 2/r ^{2}, r, r^{4}/2, r^{7}/4 is**

(A) r

(B) r^{3}

(C) r^{3}/2

(D) r/2

**46-If an apple is worth 5 rupees, a mango 3 ruprees and 3 oranges together 1 rupee, how many apples, mangoes and oranges totalling 100 can be bought for 100 rupees**

(A) 8, 11, 81

(B) 4, 20, 76

(C) 12, 10, 78

(D) 10, 10, 80

**47-Find the missing term as shown by (?) in the following letter series**

**OYLMA, RIFGY, PKHIB, (?), DNJKC**

(A) ACNOP

(B) AOMPN

(C) APMAN

(D) ABZXC

**48-In a certain code, ‘BRICK’ is coded as ‘4, 20, 11, 5, 13’ and ‘WATER’ is coded as ’25, 3, 22, 7, 20’. Then the code word for ‘BEST’ is**

(A) 4, 7, 21, 22

(B) 5, 8, 22, 23

(C) 7, 10, 18, 19

(D) 4, 8, 21, 25

**49-A regular hexagon becomes a regular pentagon. The regular pentagon becomes a square. Then the square becomes**

(A) an isosceles triangle

(B) an equilateral triangle

(C) a right angled triangle

(D) rectangle

**50-If ‘+’ means multiplication ‘x’, ‘x’ means subtraction ‘-‘ and ‘-‘ means division ‘/’ then (3+5) x (6-2)=**

(A) 8

(B) 9

(C) 12

(D) 32

**51-Histogram is a ……… dimensional diagram.**

(A) zero

(B) one

(C) two

(D) three

**52-In a pie diagram the angle made by the sector representing 50 tonnes is 90 degrees. The total weight represented by the circle is**

(A) 200

(B) 360

(C) 140

(D) 90

**ANSWERS:**

39-(B), 40-(A), 41-(C), 42-(D), 43-(C), 44-(C), 45-(C), 46-(A), 47-(A), 48-(A), 49-(B), 50-(C), 51-(C), 52-(A)