Canarys Automations Pvt Ltd. Aptitude-Numerical Contributed by Merlin updated on Jun 2019

Canarys Model Placement Paper - Aptitude Questions

(1) A man's speed with the current is 15 km/hr and the speed of the current is 2.5 km/hr. The man's speed against the current is:
A. 8.5 km/hr
B. 10 km/hr.
C. 12.5 km/hr
D. 9 km/hr

(2) X and Y invest Rs.21000 and Rs.17500 respectively in a business. At the end of the year, they make a profit of Rs.26400. What is the share of X in the profit?
A. Rs.14400
B. Rs.26400
C. Rs.12000
D. Rs.12500

(3) How many litres of 6% acid solution must be mixed with 120 gallons of 20% acid solution to obtain an acid solution that is 16%?
1. 24 litres
2. 36 litres
3. 48 litres
4. 54 litres

(4) Rs. 2250 is divided among three boys named Rama, Krishna and Kalki in such a way that 1/6th of Ramas share, 1/4th of Krishnas share and 2/5th of Kalkis share are equal. Find Ramas share.
1. Rs. 1080
2. Rs. 720
3. Rs. 3600
4. Rs. 2400

(5) Four numbers are in the ratio 2:3:4:5 add up to give a sum of 1344. Find the biggest number.
1. 240
2. 540
3. 480
4. 680

(6) Four numbers are in the ratio 6:7:8:9 add up to give a sum of 1890. Find the smallest number.
1. 345
2. 378
3. 678
4. 456

(7) xa=yb=zc and y2=xz. Find b.
1. 2ac/a+c
2. x(a+c)/yz
3. a+c/ac
4. acxyz

(8) 1/343-2/3+1/216-2/3+1/32-1/5=
1. 81
2. 87
3. 97
4. 85

(9) 5a=15625. Find 5a-3
1. 25
2. 121
3. 125
4. 625

(10) 2x-y=8, 2x+y=32. Find x.
1. 4
2. 6
3. 8
4. 12

(11) The sale recorded by a dealer in a week from Monday to Saturday are as follows:Rs. 210000 per day for the first three days,Rs. 81000 on Thursday,Rs. 45000on Friday,Rs. 156000 on Saturday Find his average sales per day during that week.
1. 152000
2. 125000
3. 135000
4. 132000

(12) Highest common factor of 36 and 84.
A. 4
B. 6
C. 12
D. 18

(13) In a two-digit, if it is known that its unit's digit exceeds its ten's digit by 2 and that the product of the given number and the sum of its digits is equal to 144, then the number is:
A. 24
B. 26
C. 42
D. 46

(14) How much time will it take for an amount of Rs. 900 to yield Rs. 81 as interest at 4.5% per annum of simple interest?
A. 2 years
B. 3 years
C. 1 year
D. 4 years

(15) A sum of money at simple interest amounts to Rs. 815 in 3 years and to Rs. 854 in 4 years. The sum is :
A. Rs. 700
B. Rs. 690
C. Rs. 650
D. Rs. 698