Exercise 1E
Question 1
The product of two rational numbers is −12. If one of the number is −8, find the other.
Sol :
Question 2
Divide the sum of 38 and −512 by the reciprocal of −158×1627.
Sol :
Question 3
By what rational number should −1556 be divided to get −57 ?
Sol :
Question 4
The perimeter of an isosceles triangle is 1034 cm. If one of its equal sides is 256 cm, find the third side.
Sol :
Question 5
The area of a rectangular table top is 538 m2. If one of the sides measures 214 m, find the length of the other side.
Sol :
Question 6
A train covers 8045 km in 1 hour. How much distance will it cover is 434 hours ?
Sol :
Question 7
What is the perimeter of a quadrilateral whose four sides measure 316 cm,234 cm,4512 cm and 212 cm.
Sol :
Question 8
If 13 of a number exceeds its 27 by 1 , find the number.
Sol :
Question 9
Rohit travelled 118 km from home to school, 56 km from school to skating rink, 23 km from skating rink to work and 516 km from work to his home. How many km did Rohit travel?
Sol :
Question 10
Concert tickets usually cost ₹ 12045 per person. For students they are priced at 14 of the normal cost. How much will 6 tickets cost for students?
Sol :
Multiple Choice Questions (MCQs)
Question 11
If a triangle has a base of 1034 cm and a height of 1534 cm, what is its area?
(a) 150916 cm2
(b) 75932 cm2
(c) 842132 cm2
(d) 150932 cm2
Sol :
Question 12
In the last three months Mr. Sharma lost 512 kg. gained 214 kg and then lost 334 kg. If he now weighs 95 kg, how much did Mr. Sharma weigh to begin with ?
(a) 100 kg
(b) 102 kg
(c) 106.5 kg
(d) 104 kg
Sol :
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