Directions (1-5): What should come in the place of question mark (?) in the following number series?
1. 5 9 18 34 59 95 ?
(1) 272 (2) 168 (3) 116 (4) 148 (5) 144
2. 1200 480 192 76.8 30.72 12.288 ?
(1) 4.9152 (2) 5.8192 (3) 6.7112 (4) 7.6132 (5) 8.5172
3. 963 927 855 747 603 423 ?
(1) 209 (2) 208 (3) 207 (4) 206 (5) 205
4. 841 961 1089 1225 1369 1521 ?
(1) 1581 (2) 1681 (3) 1781 (4) 1881 (5) 1981
5. 18 20 44 138 560 2810 ?
(1) 16818 (2) 16836 (3) 16854 (4) 16872 (5) 16890
6. The area of a square is four times the area of a rectangle. The length of the rectangle is 25 cm and its breadth is one cm less than one–fifth of its length. What is the perimeter of the square?
(1) 40 cm (2) 60 cm (3) 160 cm (4) Cannot be determined (5) None of these
7. The incomes of two persons Gaurav and Pawan are in the ratio 5 : 8 and their expenditures are in the ratio 4 : 7. If both the persons save equal amounts of Rs. 3000 each, What is the difference between their incomes?
1) Rs. 6000 2) Rs. 8000 3)Rs. 9000 4) Rs. 5000 5) None of these
8. The printed price of a cycle is Rs. 1250.A shopkeeper earna profit of 25% after selling it at 20% discount on the printed price. If he sells it at a price which is Rs. 170 less than the printed price, what is his percentage profit?
1) 15% 2) 20% 3) 25% 4) 30% 5) 35%
9. If the perimeter of a circle is increased by 25% what will be the effect on its area?
1) 25% increase
2) 50% increase
3) 37.5% increase
4) Can’t be determined
5) None of these
10. A person bought 20 kg of rice at the rate of 15.50 per kg and 60 kg at the rate of 17.50 per kg. After mixing them, at what rate should he sell it to gain 25% profit?
1) Rs. 24.75 2) Rs. 21.25 3) Rs. 20.5 4) Rs. 18 5) Rs. 22.5
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MAHENDRA GURU