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InterviewSolution
This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 101. |
If the letters of the word PREVIOUS be arranged at random, what is the probability that all the vowels come together ? |
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Answer» 1/14 There are total eight letters |
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| 102. |
The product of two consecutive odd numbers is 4623. What is the product of the next two consecutive odd numbers ? |
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Answer» 5183
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| 103. |
In how many different ways can the letters of the word ANATOMY be arranged ? |
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Answer» 2520 Here total letters are 7 but A COMES twice. |
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| 104. |
The difference between a two-digit number and the number obtained after interchanging its two digits is 36. The sum of the two digits of the number is 12. Find the lowest such possible number. |
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Answer» 48 Let the DIGITS be X and y |
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| 105. |
(12)² - (4.4)² - (0.04)² = ? |
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Answer» 124.6384 (12)² - (4.4)² - (0.04)² |
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| 106. |
Find the least number when successively divided by 2, 3 and 7 leaves remainders 1, 2 and 3 respectively? |
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Answer» 65 NA |
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| 107. |
If the average of two numbers is 88.5 and one number is 5.5 less than the average. Find out the next number. |
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Answer» 94 94 |
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| 109. |
What value should come in place of ? in the given number series ? 15, 51, 162, 498, 1509, ? |
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Answer» 15, (15 + 2) x 3 = 51, |
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| 110. |
What is the sum of the local values of the digits 2, 3, 4, 5 in the number 2345? |
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Answer»
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| 111. |
A two-digit number is such that the product of the digits is 8. When 18 is added to the number, then the digits are reversed. The number is: |
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Answer» 24 Let the ten's and unit's digit be x and 8/x respectively. Then, (10x + 8/x) + 18 = 10 * 8/x + x 9X2 + 18x - 72 = 0 X2 + 2x - 8 = 0 (x + 4)(x - 2) = 0 x = 2 So, ten's digit = 2 and unit's digit = 4. |
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| 112. |
The sum of the ages of a son and father is 65 years. After 5 years the age of father will be double of the age of son. What is the age of son ? |
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Answer» 19 years Let the age of the SON be X and the age of the father be y. |
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| 113. |
Look at this series: 21, 9, 21, 11, 21, 13, 21, ... What number should come next? |
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Answer» 15 In this alternating repetition series, the random NUMBER 21 is INTERPOLATED EVERY other number into an otherwise simple ADDITION series that INCREASES by 2, beginning with the number 9. |
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| 114. |
What should come in place of question mark (?)? 8 : 1 1 : : 72: |
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Answer» Let ? = X |
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| 115. |
If one-third of one fourth of a number is 15, then three-tenth of that number is: |
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Answer» 54 Let the number be X. Then, 1/3 of 1/4 of x = 15 So, required number = (3/10 * 180) = 54. |
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| 116. |
If the numberator of a fraction is increased by 50% and denominator by 20% the fraction become 9/15. What was the original fraction ? |
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Answer» 12/25 Let the FRACTION be x/y |
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| 117. |
Twenty times a positive integer is less than its square by 96. What is the integer? |
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Answer» 24 NA |
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| 118. |
In how many different ways can the letters of the word FORMULATE be arranged ? |
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Answer» 362880
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| 120. |
If x + y = 61 and xy = 888, What is the value of x²+ y² ? |
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Answer» 1945 Because (X + y)² |
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| 121. |
How many numbers up to 300 and 700 are divisible by 2, 3 and 7 both together? |
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Answer» 9
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| 122. |
A trader sells 40 metres of cloth for Rs 8,200 at a profit of Rs 25 per metre of cloth. How much profit will the trader earn on 40 metres of cloth ? |
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Answer» RS. 1,000
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| 123. |
If the difference between a number and its 2/5 is 240, find the number. |
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Answer» 400
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| 124. |
Find the number of factors of 300 excluding 1 and itself. |
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Answer» 16 NA |
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| 125. |
Simplify the 121 * 175 + 363 * 275 |
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Answer» NONE of these 121 * 175 + 363 * 275 => 121 * 175 + 121 * 3 * 275 121 * 175 + 121 * 825 = 121 * (175 + 825) = 121000 |
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| 126. |
The sum of two numbers is 165 and the difference between them is 9. What is the average of these two numbers ? |
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Answer» 82.5 x + y = 165 |
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| 127. |
The average of five consecutive even numbers, p, q, r, s and t is 40. What is the product of 'r' and 's' ? |
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Answer» 1680 Let the numbers be x, x + 2, x + 4, x + 6, and x + 8 |
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| 128. |
The difference between 8% of a number and 3% of the same number is 39. What is 2.8% of that number ? |
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Answer» 21.84 Let the NUMBER be x. |
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| 129. |
Two numbers have a H.C.F of 16 and a product of two numbers is 2560. Find the L.C.M of the two numbers? |
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Answer» L.C.M of TWO NUMBERS is GIVEN by (PRODUCT of the two numbers) / (H.C.F of the two numbers) = 2560/16 = 160. |
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| 130. |
1089/? = ?/1296 |
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Answer» 1188 (?)² = 1089 X 1296 |
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| 131. |
A number when divided by 221 gives a remainder 43, what remainder will be obtained by dividing the same number 17? |
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Answer»
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| 132. |
A certain number when divided by 39 leaves a remainder 20, what is the remainder when the same number is divided by 13? |
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| 133. |
(4300731) - ? = 2535618 |
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Answer» 1765113 Let 4300731 - X = 2535618 Then, x = 4300731 - 2535618 = 1765113 |
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| 134. |
What is the missing number in this series? 8 2 14 6 11 ? 14 6 18 12 |
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Answer» 9 9 |
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| 135. |
Thrice the square of a natural number decreased by 4 times the number is equal to 50 more than the number. The number is: |
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Answer» 5 NA |
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| 136. |
The difference between a two-digit number and the number obtained by interchanging the digits is 36. What is the difference of the two digits of the number ? |
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Answer»
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| 137. |
(95.6x 910.3) ÷ 92.56256 = 9? |
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Answer» 13.34 13.34 |
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| 138. |
?2704 x ?2209=? |
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Answer» 2444 2444 |
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| 139. |
What should come in place of question mark (?) in the following number series ? 7, 176, 480, 1058, 2188, 4426, ? |
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Answer» 8884 Series is (No. + 9²) X 2, (+8²) x 2, (+7²) x 2, (+6²) x 2....... |
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| 142. |
In how many different ways can the letters of the word "MOBILIZE" be arranged ? |
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Answer» 20160 The word MOBILIZE has eight LETTERS in which I comes twice |
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| 143. |
The difference between a two-digit number and the number obtained by interchanging the digit is 36. What is the difference between the sum and the difference of the digits of the number if the ratio b |
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Answer» 8 Since the number is greater than the number obtained on reversing the DIGITS, so the TEN's digit is greater than the UNIT's digit. Let the ten's and unit's digits be 2X and x respectively. Then, (10 * 2x + x) - (10x + 2x) = 36 9x = 36 x = 4 Required DIFFERENCE = (2x + x) - (2x - x) = 2x = 8. |
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| 144. |
In how many ways can 5 boys be chosen from 6 boys and 4 girls so as to include exactly one girl ? |
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Answer» 60 One girl can be CHOSEN in 4C1 = 4 ways and 4 BOYS can be chosen in 6C4 = 15 ways |
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| 145. |
If (47)² is added to the square of a number the answer thus obtained is 2290. What is the number ? |
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Answer» Let the no. be X |
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| 146. |
Of the three numbers, second is twice the first and is also thrice the third. If the average of the three numbers is 44, the largest number is |
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Answer» 72 72 |
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| 147. |
The difference between 45% of a number and 18% of the same number is 145.8. What is 30% of that number ? |
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Answer» Let the number be x. |
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| 148. |
What is the remainder when 263251 is divided by 9? |
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Answer» 1 If the SUM of the DIGITS of a NUMBER is divisible by 9, the number will be divisible by 9. 2 + 6 + 3 + 2 + 5 + 1 = 19 The nearest multiple of 9 is 18. 19 - 18 = 1. |
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| 149. |
Ratio between two numbers is 3: 4 and their sum is 420. Find the smaller number? |
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Answer»
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| 150. |
Two numbers are in the ratio 3:5. If 9 be subtracted from each, they are in the ratio of 9:17. The first number is: |
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Answer»
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