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Quiz - Wrong Number Series & Arithmetic - 30 August 2021

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Question 1

Direction: Find the wrong term in the given following number series:

Question 2

Direction: Find the wrong term in the given following number series:
13, 14, 15, 21, 33, 53

Question 3

Direction: In the following number series, a wrong number is given. Find out that wrong number.
12, 20, 30, 42, 50, 72, 90

Question 4

Direction: Find the wrong term in the given series:
78, 234, 702, 2106, 6321, 18954

Question 5

Direction: Find the wrong term in the given series:
77 , 84.5 , 94.5 , 107 , 122 , 141.5

Question 6

In order to pass in an examination, a student is required to get 342 marks, Nistha got 266 marks and was declared fail by 8 per cent. What is the minimum passing percentage of examination?

Question 7

A 20 litres mixture contains milk and water in the respective ratio of 3 : 2. Then 10 litres of the mixture is removed and replaced with pure milk and the operation is repeated once more. At the end of the two removals and replacements, what is the ratio of milk and water in the resultant mixture respectively?

Question 8

Two pipes A and B can fill a tank alone  in 24 mins and 36 mins respectively. An outlet pipe C can empty the full tank alone in 18 mins. Pipes A, B and C are opened alternatively for 1 min in this sequence. How long will the tank take to be filled?

Question 9

A shopkeeper offered two successive discounts of 30% and 20% on the purchase of a watch to Mohit and a discount of 50% on the sale of same watch to Manoj. If the marked price of the watch is Rs.5000, then what is the absolute difference between amount paid by Mohit and Manoj of purchasing the watch?

Question 10

The ratio of the present ages of Jyoti and Amit is 8 : 9 After four years Jyoti's age will be 28 year What was Amit's age 8 years ago?
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