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14 questions · timed · auto-graded

Question 14 Marks
Amar is an electrician. He bought $7 \frac{1}{2}$ bundles of an electric cable where each bundle had $202 \frac{4}{5} m$ of cable.
Q.1. Find the total length of the cable purchased by Amar.
(a) 1427 m  (b) 1521 m  (c) 1605 m  (d) 1717 m
Q.2. If the cost of cable is ₹$ 6 \frac{2}{3}$ per metre, find the amount paid by Amar.
(a) ₹ 8830    (b) ₹ 9520  (c) ₹ 10140  (d) ₹ 11280
Q.3. Amarused $2 \frac{1}{2}$ bundles of cable for electric connections in the top floor of the building. What length of cable was used for the top floor?
(a) 476 m   (b) 507 m   (c) 625 m   (d) 712 m
Q.4. Amar cut a length of $13 \frac{4}{5} m$ from a bundle and divided the remaining cable of this bundle into pieces of 21 m, length each. How many pieces of 21 m did he get from this bundle?
(a) 9   (b) 10   (c) 11   (d) 12
Answer
1. (B)
2. (C)
3. (B)
4. (A)
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Question 24 Marks
When Prabhu Dayal died, he left all his money for his grand-children, 3 of whom were boys and 5 were girls. In his will he insisted that each grand-child must get equal share of the total amount of ₹56,00,000.
Q.1. What was the share of each child?
(a) ₹8,00,000  (b) ₹11,20,000  (c) ₹6,40,000  (d) ₹7,00,000
Q.2. What fraction of the money did the girls receive?
(a) $\frac{5}{3}$   (b)$\frac{3}{5}$  (c) $\frac{5}{8}$  (d) $\frac{3}{8}$
Q.3. How much did the boys receive in total?
(a) ₹21,00,000   (b) ₹24,00,000   (c) ₹35,00,000   (d) ₹40,00,000
Q.4. If one of the girls did not take her share and the money is divided among the remaining grand-children, the fraction of the money received by the boys is :
(a) $\frac{3}{5}$  (b) $\frac{2}{5}$  (c) $\frac{4}{7}$  (d) $\frac{3}{7}$
Answer
1. (D)
2. (C)
3. (A)
4. (D)
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Question 34 Marks
Simplify : $6 \frac{1}{3} \div\left(2 \frac{1}{5}+3 \frac{1}{2}\right)$ of $3 \frac{1}{3}$
Answer
$\frac{1}{3}$
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Question 44 Marks
Simplify : $\left(22 \div 5 \frac{1}{2}\right) \div 2 \frac{1}{5}$ of $3 \frac{1}{3}+1 \frac{5}{11}$
Answer
2
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Question 54 Marks
Simplify : $\frac{7}{15}$ of $\left(\frac{2}{3}+\frac{7}{12}\right) \div\left(\frac{5}{6}-\frac{3}{5}\right)$
Answer
$2 \frac{1}{2}$
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Question 74 Marks
Simplify : $2 \frac{1}{4}+1 \frac{1}{6}-1 \frac{2}{3} \div 2 \frac{2}{3}$ of $3 \frac{3}{4}$
Answer
$3 \frac{1}{4}$
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[4 marks sum] - MATHS STD 7 Questions - Vidyadip