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# Canarys Aptitude Numerical Paper

**Q1) 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

**Q2) 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

**Q3) A mans speed with the current is 15 km/hr and the speed of the current is 2.5 km/hr. The mans speed against the current is:**

A. 8.5 km/hr

B. 10 km/hr.

C. 12.5 km/hr

D. 9 km/hr

**Q4) xa=yb=zc and y2=xz. Find b.**

1. 2ac/a+c

2. x(a+c)/yz

3. a+c/ac

4. Acxyz

**Q5) 5a=15625. Find 5a-3**

1. 25

2. 121

3. 125

4. 625

**Q6) 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

**Q7) 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

**Q8) Highest common factor of 36 and 84.**

A. 4

B. 6

C. 12

D. 18

**Q9) 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

**Q10) 2x-y=8, 2x+y=32. Find x.**

1. 4

2. 6

3. 8

4. 12

**Q11) In a two-digit, if it is known that its units digit exceeds its tens 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

**Q12) 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

**Q13) 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

**Q14) 1/343-2/3+1/216-2/3+1/32-1/5=**

1. 81

2. 87

3. 97

4. 85

**Q15) Rs. 2250 is divided among three boys named Rama, Krishna and Kalki in such a way that 1/6th of Ramas share, 1/4th of Krishnas share and 2/5th of Kalkis share are equal. Find Ramas share.**

1. Rs. 1080

2. Rs. 720

3. Rs. 3600

4. Rs. 2400