15, 31, 63, 127, 255, (____)
Correct answer B. 511
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Maths MCQs & Aptitude MCQs
Page 42 of Aptitude multiple-choice questions with answers. Tap an option to check yourself.
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5, 10, 13, 26, 29, 58, 61, (____)
Correct answer A. 122
7, 26, 63, 124, 215, 342, (____)
Correct answer B. 511
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4, -8, 16, -32, 64, (____)
Correct answer B. -128
2, 6, 12, 20, 30, 42, 56, (____)
Correct answer C. 72
8, 24, 12, 36, 18, 54, (____)
Correct answer A. 27
11, 13, 17, 19, 23, 29, 31, 37, 41, (____)
Correct answer A. 43
8, 7, 11, 12, 14, 17, 17, 22, (____)
Correct answer B. 20
2, 4, 12, 48, 240, (____)
Correct answer B. 1440
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1, 4, 9, 16, 25, 36, 49, (____)
Correct answer C. 64
10, 5, 13, 10, 16, 20, 19, (____)
Correct answer B. 40
Insert the missing number. 16, 33, 65, 131, 261, (____)
Correct answer A. 523
The age of father 10 years ago was thrice the age of his son. Ten years hence, father’s age will be twice that of his son. The ratio of their present ages is:
Correct answer B. 7 : 3
Q is as much younger than R as he is older than T. If the sum of the ages of R and T is 50 years, what is definitely the difference between R and Q’s age?
Correct answer D. Data inadequate
A person’s present age is two-fifth of the age of his mother. After 8 years, he will be one-half of the age of his mother. How old is the mother at present?
Correct answer C. 40 years
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Ayesha’s father was 38 years of age when she was born while her mother was 36 years old when her brother four years younger to her was born. What is the difference between the ages of her parents?
Correct answer C. 6 years
The present ages of three persons in proportions 4: 7: 9. Eight years ago, the sum of their ages was 56. Find their present ages (in years).
Correct answer B. 16, 28, 36
Mukhtar is younger than Ali by 7 years. If their ages are in the respective ratio of 7: 9, how old is Mukhtar?
Correct answer D. 24.5 years
At present, the ratio between the ages of Arun and Deepak is 4: 3. After 6 years, Arun’s age will be 26 years. What is the age of Deepak at present?
Correct answer B. 15 years
The sum of the present ages of a father and his son is 60 years. Six years ago, father’s age was five times the age of the son. After 6 years, son’s age will be:
Correct answer D. 20 years