77. Consider the volumes of the following
1. A parallelepiped of length 5 c, breadth 3 cm and height 4 cm
2. A cube of each side 4 cm
3. A cylinder of radius 3 cm and length 3 cm
4. A sphere of radius 3 cm
The volumes of these in the decreasing order
is:
(a) 1, 2, 3, 4 (b) 1, 3, 2, 4
(c) 4, 2, 3, 1 (d) 4, 3, 2, 1
78. A car travels the first one-third of a certain distance with a speed of 10 km/hr, the next
one-third distance with a speed of 20 km/hr, and the last one-third distance with a speed of
60 km/hr. the average speed of the car for the whole journey is:
(a) 18 km/hr (b) 24 km/hr
(c) 30 km/hr (d) 36 km/hr
79. The price of a T.V. set is decreased by 25% as a result of which the sale increased by 20%.
What will be the effect on the total revenue of the shop?
(a) No effect (b) 5% decrease
(c) 5% increase (d) None of these
80. A manufacturer sells his produce to a wholesaler on a particular day. The wholesaler
sells the items to retailer the next day. However, the retailer had to keep his shop
closed on the next three days due to a strike of all retail establishments to protest the
implementation of the VAT regime. Today, (Monday) he sells all his items. When did the
wholesaler purchase the items from the manufacturer?
(a) Last Monday (b) Last Friday
(c) Last Wednesday (d) None of these
1. A parallelepiped of length 5 c, breadth 3 cm and height 4 cm
2. A cube of each side 4 cm
3. A cylinder of radius 3 cm and length 3 cm
4. A sphere of radius 3 cm
The volumes of these in the decreasing order
is:
(a) 1, 2, 3, 4 (b) 1, 3, 2, 4
(c) 4, 2, 3, 1 (d) 4, 3, 2, 1
78. A car travels the first one-third of a certain distance with a speed of 10 km/hr, the next
one-third distance with a speed of 20 km/hr, and the last one-third distance with a speed of
60 km/hr. the average speed of the car for the whole journey is:
(a) 18 km/hr (b) 24 km/hr
(c) 30 km/hr (d) 36 km/hr
79. The price of a T.V. set is decreased by 25% as a result of which the sale increased by 20%.
What will be the effect on the total revenue of the shop?
(a) No effect (b) 5% decrease
(c) 5% increase (d) None of these
80. A manufacturer sells his produce to a wholesaler on a particular day. The wholesaler
sells the items to retailer the next day. However, the retailer had to keep his shop
closed on the next three days due to a strike of all retail establishments to protest the
implementation of the VAT regime. Today, (Monday) he sells all his items. When did the
wholesaler purchase the items from the manufacturer?
(a) Last Monday (b) Last Friday
(c) Last Wednesday (d) None of these
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