58
Q:

On dividing 2272 as well as 875 by 3-digit number N,we get the same remainder.The sum of the digits of N is:

A) 13 B) 12
C) 11 D) 10

Answer:   D) 10



Explanation:

(2272-875) = 1397, is exactly divisible by N.

Now , 1397 = 11 x 127

The required 3-digit number is 127,the sum of digits is 10.

Q:

(61 + 62 + 63 + ......... +110) = ?

A) 4275 B) 8550
C) 12825 D) 17100
 
Answer & Explanation Answer: A) 4275

Explanation:
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1 127
Q:

What is the value of (91 + 92 + 93 + ......... +140)?

A) 5775 B) 11550
C) 17325 D) 23100
 
Answer & Explanation Answer: A) 5775

Explanation:
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4 365
Q:

What is the value of 10.2+10.02+10.002+... upto 9 terms

A) 222222222 B) 111111111
C) 555555555 D) 525252525
 
Answer & Explanation Answer: C) 555555555

Explanation:
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5 288
Q:

What is the sum of first 40 terms of 1 + 3 + 4 + 5 + 7 + 7 + 10 + 9 + ....?

A) 1010 B) 1115
C) 1030 D) 1031
 
Answer & Explanation Answer: C) 1030

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3 239
Q:

If N = 1 + 11 + 111 + 1111 + ... +111111111, then what is the sum of the digit's of N?

A) 45 B) 18
C) 36 D) 5
 
Answer & Explanation Answer: A) 45

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1 308
Q:

If A = 232, B = 231+ 230+ 229+ ... + 20and C = 315+ 314+ 313+ ... + 30, then which of the following option is TRUE?

A) C > B > A B) C > A > B
C) A > B > C D) A > C > B
 
Answer & Explanation Answer: B) C > A > B

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0 333
Q:

If A = 1 – 10 + 3 – 12 + 5 – 14 + 7 + ... upto 60 terms, then what is the value of A?

A) – 360 B) – 310
C) – 240 D) – 270
 
Answer & Explanation Answer: D) – 270

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0 209
Q:

Three numbers are in Arithmetic Progression (AP) whose sum is 30 and the product is 910. Then the greatest number in the AP is

A) 17 B) 15
C) 13 D) 10
 
Answer & Explanation Answer: C) 13

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0 232