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Quiz - Missing Number Series & Arithmetic - 22 October 2021

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Question 1

Direction: What should come in place of question mark (?) in the following number series?
462, 552, 650, 756, 870, 992, ?

Question 2

Direction: What should come in place of the question mark '?' in the following number series?
10, 17, 46, 153, ?, 3155, 18942

Question 3

Direction: What should come in place of the question mark '?' in the following number series?
54, 62, 75, 95, 124, 164, ?

Question 4

Direction: What should come in place of the question mark '?' in the following number series?
7, 7, 8, 12, 30, 126, 726, ?

Question 5

Direction: What should come in place of the question mark '?' in the following number series?
14, 18, ?, 32, 42, 54

Question 6

In a 40 li mixture of acid and alcohol, the ratio of acid to alcohol is 3 : 5. How much acid should be added in this mixture to make the ratio of alcohol to acid 4 : 5?

Question 7

Alan's expense is 30% more than Wilma's expense and Wilma's expense is 10% less than Romeo’s expense. If the Sum of their expenses is Rs. 64470, then what would be the Alan's expense?

Question 8

Marked price of an article A is Rs 800. A shopkeeper gives a discount of X% and sold it. The cost price of that article is Rs 500. The ratio of the cost price to the selling price is 25 : 24. Find the value of X.

Question 9

The present age of a father is 20 years less than three times his son’s present age. If the present age of the son, in years is an integer, which of the following choices represent the present age of the father?

Question 10

The average salary of all the employees in a workshop is Rs.8000. If the average salary of 7 technicians is Rs.12000 and the average salary of the rest is Rs.6000, then the total number of employees in the workshop is:
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Oct 22PO, Clerk, SO, Insurance