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Question-1
The average weight of A, B and C is 45 kg. If the average weight of A and B be 40 kg and that of b and C be 43 kg. Then the weight of B be.

(A) 17 kg	(B) 20 kg
(C) 31 kg	(D) 36 kg

Question-2
A car owner buys petrol at RS. 7.50 Rs. 8 and Rs. 8.50 per litre for three successive years. What approximately is the average cost per litre of petrol if he spends Rs. 4000 each year ?

(A) Rs. 7.98	(B) Rs. 8
(C) Rs. 8.50	(D) Rs. 9

Question-3
In a certain country 2400 crore kilograms of food grains are consumed a year. If the per capita consumption is 200 kilograms, find the population of the country?

(A) 11 crore	(B) 11 lakhs
(C) 12 lakhs	(D) 12 crores

Question-4
The average weight of 8 person’s increases by 2.25 kg when a new person comes in place of one of them weighing 65 kg. What might be weight of the new person ?

(A) 86 kg	(B) 85 kg
(C) 76.5 kg	(D) 80 kg

Question-5
The average age of husband, wife and their child 3 years ago was 27 years and that of wife and the child 5 years ago was 20 years. The present age of the husband is _____.

(A) 25 years	(B) 40 years
(C) 50 years	(D) None of these

Question-6
A grocer has sale of Rs. 6435, Rs. 6927, Rs, 6855, Rs. 7230 and Rs. 6562 for 5 consecutive months. How much sale must he have in the sixth month so that he gets an average sale of Rs. 6500.

(A) Rs. 4991	(B) Rs. 5991
(C) Rs. 6001	(D) Rs. 6991

Question-7
The students in the Science club of Ezhimala G.U.P school conducted a survey on the consumption of electricity in 6 houses. They found out that the average monthly consumption is 150 unites. Then the houses started using CFL bulb. In the survey after one month. They found that there was a decrease of 180 units in consumption. What is the average consumption ?

(A) 120 units	(B) 110 units
(C) 125 units	(D) 135 units

Question-8
The average weight of the 35 students of the A division of class 6 is 32 kilograms. The average weight of the 40 students of B division is 36 kilograms. What is the average weight of the two division s altogether ?

(A) 34 ²/15 kg	(B) 33 ²/15 kg
(C) 34 ¹/15 kg	(D) 33 ¹/15 kg

Question-9
Average of 20 numbers is zero. Of them, at the most, how many may be greater than zero ? .

(A) 0	(B) 1
(C) 10	(D) 19

Question-10
Average collection of April is Rs. 7973. Find the total collection of April.

(A) Rs. 79730	(B) Rs. 23000
(C) Rs. 239190	(D) Rs. 229190

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Std 5

ICSE/ISC

Practice in Related Chapters
Large Numbers
Multiples and Factors
Average
Multiplication And Division Of Fractions
Speed, Distance and Time
Shapes and Angles
Operation with Decimals
Area and Volume
Percentage
Profit and Loss
Circles, Triangles and Quadrilaterals
Order of Operations
Revision 1
Revision 2
Revision 3
Decimal Fractions

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