Race Institute

#38, Burkit Road,

Opposite to bus terminal,

Thyagaraya Nagar

Chennai - 600 017.

Phone:

044-64563030

044-42660776

Mobile:

9043303030

Contact Person:

Bharath Seeman

1.The sum of first 25 natural numbers is

A. 325

B. 327

C. 320

D. 376

2.Find the sum of 79 consecutive even numbers

A. 7570

B. 3560

C. 6320

D. 5520

3.The sum of first 25 whole numbers is

A. 300

B. 325

C. 375

D. 385

4.

A. 9070

B. 7090

C. 8060

D. 6080

5.The sumis equal to: [SSC Grad. 2000]

A. 2295

B. 2425

C. 2495

D. 2925

6.Find the next nearest number in A.P: 2, 2.5, ( )…..

A. 3

B. 5

C. 4

D. 9

7.Sum of the series 5+10+15+20+ ... is 240. Number of terms of the series is,

A. 17

B. 16

C. 15

D. 14

8.How many terms are in 4, 8, 16 … 2097152

A. 20

B. 19

C. 18

D. 21

9.If n is odd, then sum of n odd numbers is 625 and sum of n even numbers is 600 then find number of natural numbers

A. 44

B. 48

C. 49

D. None of these

10.The sum of four numbers is 64. If you add 3 to the first number, 3 is subtracted from the second number, the third is multiplied by 3 and the fourth is divided by three, then all the results are equal. What is the difference between the largest and the smallest of the original numbers? [Bank 2000]

A. 32

B. 27

C. 21

D. cannot be determined

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