In an examination X secures 58% marks and Y secures 105 marks less than X. If the maximum marks were 700, then what percent of marks did Y secure? `42\ p e r c e n t` b. `4\ 3\ p e r c e n t` c. `52\ p e r c e n t` d. none of these

In a survey of a city, it was found that 90 percent of the people in the city own a refrigerator and 15 percent own a washing machine. If everybody owns at least one appliance, what percentage owns both? 5 p e r c e n t b. 8 p e r c e n t c. 10 p e r c e n t d. none of these

In an examination, A secured 25% more marks than B. B secured 10% less marks than C. C secured 25% more marks than D. If D secured 320 marks out of 500. How many marks did A secure?

If P Q R\ ~= E F D , then E D= PQ (b) QR (c) PR (d) None of these

In an examination it is required to get 40% of the aggregate marks to pass.A student get 261 marks and is declared failed by 4% marks. What are the maximum aggregate marks a student can get? 700 b.730 c.745 d.765 e. none of these

In a quarterly examination a student secured 30% marks and failed by 12 marks. In the same examination another student secured 40% marks and got 28 marks more than minimum marks to pass.The maximum marks in the examination is(A) 300 (B) 500 (C) 700 (D) 400

If \ ^(20)C_r=\ ^(20)C_(r+4),\ t h e n\ \ ^r C_3 is equal to a. 54 b. 56 c. 58 d. none of these

If Delta P Q R\ ~= Delta E F D , then /_E= (a) /_P (b) /_Q (c) /_R (d) None of these

A vehicle travels at the rate of 80 kmph. What distance will it travel in 15 minutes? 20000 m e t r e b. 25000 m e t r e c. 24000 m e t r e d. 22000 m e t r e

The value of a flat worth Rs. 500000 is depreciating, at the rate of 10% p.a. In how many years will it' value be reduced to Rs. 364500? 3\ y e a r s b. 4\ y e a r s c. 5\ y e a r s d. 6\ y e a r s

The value of a flat worth Rs. 500000 is depreciating, at the rate of 10% p.a. In how many years will it' value be reduced to Rs. 364500? 3\ y e a r s b. 4\ y e a r s c. 5\ y e a r s d. 6\ y e a r s