A solution of watar and sugar contains 10% sugar the solutions weight is 8 kg. When 2 kg of water is added to this solution the percentage of sugar becomes...? Mcqs

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A solution of watar and sugar contains 10% sugar the solutions weight is 8 kg. When 2 kg of water is added to this solution the percentage of sugar becomes...?

(A) 8%
(B) 10%

(C) 12%
(D) 18%

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Average of ten positive numbers is x If each number is increased by 10%, than x...?

(A) Remains unchanged
(B) May decrease

(C) May increase
(D) is increased by 10%

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If n is a natural number the 9>2n-4>2n is always divisible by:...?

(A) 05
(B) 13

(C) Both A & B
(D) None of these

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If a person reads 3/8 of a book in a day. Next day he reads 4/5 of the rest. Now 40 pages are left. How many pages are there in book...?

(A) 240
(B) 320

(C) 360
(D) 380

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Average of first 10 even numbers...?

(A) 11
(B) 15

(C) 17
(D) 19

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Find out the average of A and B if the given value is 16A and 16 B = 48...?

(A) 1.5
(B) 2

(C) 5.3
(D) .4

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According to Pythagoras Theorem (when the hypotenuse is c) ...?

(A) a2-b2=c2
(B) a2+b2=c

(C) a2-b2=c
(D) a2+b2=c2

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If ¼ writing, 1/6 reading and 1/8 designing are participated in different contests and 33 participants of mathematics then total number of participants are...?

(A) 70
(B) 71

(C) 72
(D) 73

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60 men can do a work in 40 days. How long will it take 40 men to complete the same work...?

(A) 30 days
(B) 29 days

(C) 23 days
(D) 60 days

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If 6 persons working 8 hours a day earn Rs 8400 per week, then how much will 9 persons working 6 hours a day each per week:...?

(A) Rs 9250
(B) Rs 9350

(C) Rs 9450
(D) Rs 9550

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