The measure of the four successive angles of a quadrilateral are in the ratio 7 : 11 : 7 : 11. The quadrilateral is a ______1). trapezium2). rectangle3). parallelogram4). square
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1. A and B invest in the ratio 3 : 5. After 6 months, C joins the business investing an amount equal to B’s. At the end of the year what will be the ratio of their profits
2. The ratio of officers to clerks is 4 : 9 respectively. When 32 new clerks are recruited, the ratio will become 4 : 1 7 . How many officers will there be in the group ?
3. 60 kg of an alloy A is mixed with 100 kg of alloy B. If alloy A has lead and tin in the ratio 3 : 2 and alloy B has tin and copper in the ratio 1 : 4. the amount of tin in the new alloy is
4. Price of a diamond is directly proportional to square of its weight. A man broke the diamond accidently in three pieces in the ratio of 3 : 5 : 7 and thus loses Rs 42600. What was the original price (in Rs) of the diamond?
5. Divide Rs.118000 among three persons A, B and C such that the ratio of the shares of A and B is 3:4 and that of B:C is 5:6?
6. The ratio of weekly incomes of A and B is 9 : 7 and the ratio of their expenditures is 4 : 3. If each saves Rs. 200 per week, then the sum of their weekly incomes is
7. If the compound ratio of x2y ∶ z and x ∶ yz is 10 ∶ 9 and that of y2z2 ∶ x3 and x ∶ yz2 is 5 ∶ 6, then find the compound ratio of yz2 ∶ 1 and 1 ∶ x5.
8. Of three positive numbers, the ratio of 1st and 2nd is 8:9, that of 2nd and 3rd is 3:4. The product of 1st and 3rd is 2400. The sum of the three numbers is
9. If 3 : 27 :: 5 : ?
10. A garrison of 400 men had a provision for 31 days. After 28 days 280 persons re-enforcement leave the garrison. Find the number of days for which the remaining ration will be sufficient?
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