5
Q:

A number consists of 3 digits whose sum is 10. The middle digit is equal to the sum of the other two and the number will be increased by 99 if its digits are reversed. The number is :

A) 253 B) 263
C) 273 D) 283

Answer:   A) 253



Explanation:

Let the middle digit be x.

Then, 2x = 10 or x = 5. So, the number is either 253 or 352

Since the number increases on reversing the digits, so the hundred's digit is smaller than the unit's digit.

Hence, required number = 253.

Q:

10 Consecutive numbers are given. If the average of the two numbers given in the middle is 13.5, then what is the sum of the first 6 numbers?

A) 65 B)  59
C) 69 D) 80
 
Answer & Explanation Answer: C) 69

Explanation:
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1 235
Q:

1.1 + 12.12 + 123.123 = ?

A) 134.343 B) 133.433
C) 132.123 D) 136.343
 
Answer & Explanation Answer: D) 136.343

Explanation:
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1 184
Q:

Which of the following is in ascending order?

A) 2/3, 3/4, 4/5, 1/2 B) 3/4, 4/5, 1/2, 2/3
C) 1/2, 2/3, 3/4, 4/5 D) 4/5, 1/2, 2/3, 3/4
 
Answer & Explanation Answer: C) 1/2, 2/3, 3/4, 4/5

Explanation:
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0 197
Q:

Find the least number to be added to 1739 so that it is exactly divisible by 11.

A) 11 B) 2
C) 1 D) 10
 
Answer & Explanation Answer: D) 10

Explanation:
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0 286
Q:

Which instrument is used for viewing the sun?

A) Stroboscope B) Telescope
C) Helioscope D) Sun meter
 
Answer & Explanation Answer: C) Helioscope

Explanation:
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0 184
Q:

Which of the following is the least of all?

A) 0.5 B) 1/0.5
C) 0.5 * 0.5 D) 0.5 * 2
 
Answer & Explanation Answer: C) 0.5 * 0.5

Explanation:
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0 179
Q:

If the sum of digits is 9 and the difference between the digit in the ten's place and unit's place is 1, then the two-digit number is?

A) 45 B) 63
C) 54 D) 72
 
Answer & Explanation Answer: C) 54

Explanation:
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0 213
Q:

Which of the following numbers is composite?

 

A) 47 B) 57
C) 37 D) 67
 
Answer & Explanation Answer: A) 47

Explanation:
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0 1148