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Q:

After deducting 60% from a certain number and then deducting 15% from the remainder, 1428 is left. What was the initial number?

A) 4200 B) 3962
C) 4150 D) 4300
 
Answer & Explanation Answer: A) 4200

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Filed Under: Percentage
Exam Prep: AIEEE , Bank Exams , CAT

Q:

How many numbers are there from 300 to 650 which are completely divisible by both 5 and 7?

A) 8 B) 9
C) 10 D) 12
 
Answer & Explanation Answer: C) 10

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Filed Under: Numbers
Exam Prep: AIEEE , Bank Exams , CAT

Q:

In the following question, select the missing number from the given series.

6, 9 , 15, 24, 39, 63, ?

A) 97 B) 102
C) 115 D) 127
 
Answer & Explanation Answer: B) 102

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Filed Under: Number Series
Exam Prep: AIEEE , Bank Exams , CAT

Q:

In the following question, select the odd number pair from the given alternatives.

A) 11 – 120 B) 17 – 290
C) 21 – 442 D) 12 – 145
 
Answer & Explanation Answer: A) 11 – 120

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Filed Under: Odd Man Out
Exam Prep: AIEEE , Bank Exams , CAT

Q:

In the following question, select the related number from the given alternatives.

5 : 124 : : 6 : ?

A) 215 B) 216
C) 217 D) 220
 
Answer & Explanation Answer: A) 215

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Filed Under: Analogy
Exam Prep: AIEEE , Bank Exams , CAT

Q:

Find the number of squares in the following figure.

A) 6 B) 8
C) 7 D) 5
 
Answer & Explanation Answer: C) 7

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Filed Under: Analogy
Exam Prep: AIEEE , Bank Exams , CAT

Q:

A natural number, when divided by 9, 10, 12 or 15, leaves a remainder of 3 in each case. What is the smallest of all such numbers?

A) 183 B) 153
C) 63 D) 123
 
Answer & Explanation Answer: A) 183

Explanation:

LCM of 9,10,12,15 is 180
Smallest natural number to get remainder of 3 is (180 + 3) = 183

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Filed Under: HCF and LCM
Exam Prep: AIEEE , Bank Exams , CAT

Q:

The mass number of an isotope of an element is 298. If its nucleus has 189 neutrons, what is its atomic number?

A) 298 B) 189
C) 109 D) 487
 
Answer & Explanation Answer: C) 109

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Filed Under: Chemistry
Exam Prep: AIEEE , Bank Exams