If x, y and z are in proportion, then:
A). x : y : : y : z
B). x : y : : z : y
C). x : y : : z : x
D). None of these
x : y : : y : z
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1. Seema and Sadhna started a boutique by investing Rs 35000 and Rs 56000 respectively. If Seema's share in the profit earned by them is Rs 45000, what is the total profit earned ?
2. D and E are points on side AB and AC of $\triangle ABC$. DE is parallel to BC. If AD:DB = 2:5 and area of $\triangle ADE $ is 8 sq cm, what is the ratio of area of $\triangle ADE$: area of quadrilateral BDEC?
3. Which number when added to each of the numbers 6,7,15,17 will make the resulting numbers proportional
4. If u : v = v : w, then what is the value of u4 : v4?
5. Rs.555 was to be divided among A, B and C in the ratio of $\frac{1}{4}:\frac{1}{5}:\frac{1}{6}$. But by mistake it was divided in the ratio of 4:5:6 . The amount in excess received by C was
6. 200 is divided into two parts in such a way that the sixth part of the first and the half part of the second are in the ratio 1 ∶ 1. What will be the value of the second part?
7. Three numbers are in the ratio of 3:2:5 and the sum of their squares is 1862. The smallest of these numbers is
8. Vessels A and B contain mixtures of milk and water in the ratios 4:5 and 5:1 respectively. In what ratio should quantities of mixture be taken from A and B to form a mixture in which milk to water is in the ratio 5 : 4
9. The ratio between Sumit’s and Prakash's age at present is 2:3. Sumit is 6 years younger than Prakash.The ratio of Sumit's age to Prakash's age after 6years will be
10. If 6/7 of P = 4/5 of Q, then what is P : Q?
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