How many 3-digit numbers can be formed from the digits 2, 3, 5, 6, 7 and 9, which are divisible by 5 and none of the digits is repeated?
Correct answer D. 20
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Maths MCQs & Aptitude MCQs
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In a group of 6 boys and 4 girls, four children are to be selected. In how many different ways can they be selected such that at least one boy should be there?
Correct answer D. 209
In how many ways can the letters of the word ‘LEADER’ be arranged?
Correct answer C. 360
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Out of 7 consonants and 4 vowels, how many words of 3 consonants and 2 vowels can be formed?
Correct answer C. 25200
In how many different ways can the letters of the word ‘CORPORATION’ be arranged so that the vowels always come together?
Correct answer D. 50400
In how many different ways can the letters of the word ‘LEADING’ be arranged in such a way that the vowels always come together?
Correct answer C. 720
From a group of 7 men and 6 women, five persons are to be selected to form a committee so that at least 3 men are there on the committee. In how many ways can it be done?
Correct answer D. 756
The population of a town increased from 1,75,000 to 2,62,500 in a decade. The average percent increase of population per year is:
Correct answer B. 5%
Rajeev buys good worth Rs. 6650. He gets a rebate of 6% on it. After getting the rebate, he pays sales tax @ 10%. Find the amount he will have to pay for the goods.
Correct answer A. Rs. 6876.10
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Gauri went to the stationers and bought things worth Rs. 25, out of which 30 paise went on sales tax on taxable purchases. If the tax rate was 6%, then what was the cost of the tax free items?
Correct answer C. Rs. 19.70
Two tailors X and Y are paid a total of Rs. 550 per week by their employer. If X is paid 120 percent of the sum paid to Y, how much is Y paid per week?
Correct answer B. Rs. 250
Three candidates contested an election and received 1136, 7636 and 11628 votes respectively. What percentage of the total votes did the winning candidate get?
Correct answer A. 57%
In an election between two candidates, one got 55% of the total valid votes, 20% of the votes were invalid. If the total number of votes was 7500, the number of valid votes that the other candidate got, was:
Correct answer A. 2700
A student multiplied a number by 3/5 instead of 5/3.What is the percentage error in the calculation?
Correct answer D. 64%
Two numbers A and B are such that the sum of 5% of A and 4% of B is two-third of the sum of 6% of A and 8% of B. Find the ratio of A: B.
Correct answer D. 4 : 3
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In a certain school, 20% of students are below 8 years of age. The number of students above 8 years of age is of the number of students of 8 years of age which is 48. What is the total number of students in the school?
Correct answer E. 100
If 20% of a = b, then b% of 20 is the same as:
Correct answer A. 4% of a
If A = x% of y and B = y% of x, then which of the following is true?
Correct answer E. None of these
What percentage of numbers from 1 to 70 have 1 or 9 in the unit’s digit?
Correct answer C. 20
A fruit seller had some apples. He sells 40% apples and still has 420 apples. Originally, he had:
Correct answer D. 700 apples