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# (Download) SSC: Multi Tasking Staff (Non-Tachnical) Exam Held on: 20-02-2011 - Numerical Aptitude

## SSC Multitasking (Non-Technical) Examination Held On 20 Feb. 2011

Numerical Aptitude

**1. The units digit of the expression 25 ^{6251} + 36^{528 }+ 73^{54} is**

1. 6

2. 5

3. 4

4. 0

**2. The sum of the square of 3 consecutive positive numbers is 365. The sum of the numbers is**

1. 30

2. 33

3. 36

4. 45

**3. In a division sum, the divisor is 10 times the quotient and 5 times the remainder. If the remainder is 46, then the dividend is**

1. 4236

2. 4306

3. 4336

4. 5336

**4. A is thrice as good a workman as B and therefore is able to finish a job in 40 days less than B. Working together, they can do it in**

1. 14 days

2. 13 days

3. 20 days

4. 15 days

**5. The LCM of two numbers is 4 times their HCF. The sum of LCM and HCF is 125. If one of the numbers is 100, then the other number is**

1. 5

2. 25

3. 100

4. 125

**6. The difference between a discount of 35% and two successive discounts of 20% on a certain bill was Rs. 22. The amount of the bill was**

1. Rs. 200

2. Rs. 220

3. Rs. 1,100

4. Rs. 2,220

**7. In measuring the side of a rectangle, there is an excess of 5% on one side and 2% deficit on the other. Then the error percent in the area is**

1. 3.3

2. 3.0

3. 2.9

4. 2.7

**8. An equilateral triangle and regular hexagon have the same perimeter. The ratio of the area of the triangle to that of the hexagon is**

1. 3: 2

2. 2 : 3

3. 1 : 2

4. 1 : 4

**9. The average of three numbers is 135. The largest number is 195 and the difference between the order two is 20. The smallest number is**

1. 65

2. 95

3. 105

4. 115

**10. If I purchased 11 books for Rs. 100 and sold 10 books for Rs. 110, the percentage of profit per book sold is**

1. 10

2. 11.5

3. 17.3

4. 21

**11. Ratio between the monthly income of A and B is 9 : 8 and the ratio between their expenditures is 8 : 7. If they save Rs. 500 each, find A’s monthly income.**

1. Rs.3,500

2. Rs.4,000

3. Rs.4,500

4. Rs.5,000