42
Q:

Find the next number in the series 125, 80, 45, 20, ....

 

A) 5 B) 15
C) -5 D) 10

Answer:   A) 5



Explanation:

The pattern is -45, -35, -25, -15

The next number = 20-15= 5

Subject: Numbers
Exam Prep: Bank Exams , CAT
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Q:

The 3rd and 6th term of an arithmetic progression are 19 and 37 respectively. What is the 13th term?

A) 79 B) 43
C) 45 D) 49
 
Answer & Explanation Answer: A) 79

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0 645
Q:

Sum of twice a fraction and 5 times its reciprocal is 7. What is the fraction?

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

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0 646
Q:

What is the quotient when 1359 is divided by 48?

A) 29 B) 31
C) 30 D) 28
 
Answer & Explanation Answer: D) 28

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1 808
Q:

The  sum  of  three  prime  numbers  is  100.  If  one  of  them  exceeds  another  by  36,  then  one  of  the numbers is

A) 17 B) 29
C) 43 D) none
 
Answer & Explanation Answer: D) none

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4 830
Q:

Which of the following statements is not true?

A) The difference of two prime numbers, both greater than 2, is divisible by 2 B) For two different integers m, n and a prime number p, if p divides the product m × n, then p divides either m or n.
C)  If a number is of the form 6n –1 (n being a natural number), then its is a prime number. D) There is only one set of three prime numbers such that there is a gap of 2 between two adjacent prime numbers.
 
Answer & Explanation Answer: D) There is only one set of three prime numbers such that there is a gap of 2 between two adjacent prime numbers.

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0 942
Q:

Consider  the  multiplication  999  ×  abc  =  def132  in  decimal  notation, where  a,  b,  c,  d,  e  and  f  are digits. What are the values of a, b, c, d, e and f respectively?

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

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0 1204
Q:

How many pairs (A, B) are possible in the number 479865AB if the number is divisible by 9 and it is given that the last digit of the number is odd?

A) 5 B) 6
C) 9 D) 11
 
Answer & Explanation Answer: A) 5

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5 1959
Q:

Which one of the following is an irrational number?

A) √59059 B) 231/593
C) 0.454545.... D) 0.121122111222
 
Answer & Explanation Answer: D) 0.121122111222

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0 1004