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 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

Which of the following is the strongest pi-acid for pi-a c c e p t o r ?

A train running at the speed of 60 kmph crosses a 200 m long platform in 27 seconds. What is the length of the train ? 200 m e t r e s b. 240 m e t r e s c. 250 m e t r e s d. 450 m e t r e s e. none of these

If n is a whole number such that n+n=n ,\ t h e n\ n=? (a) 1 (b) 2 (c) 3 (d) none of these

A 50 metre long train passes over a bridge at the speed of 30 km per hour. If it takes 36 seconds to cross the bridge, what is the length of the bridge? 200 m e t r e s b. 250 m e t r e s c. 300 m e t r e s d. 350 m e t r e s

Rajni purchased a mobile phone and a refrigerator for Rs. 12000 and Rs. 10000 respectively. She sold the refrigerator at a loss of 12 percent and the mobile phone at a profit of 8 percent. What is her overall loss/profit? Los s of R s .280 b. Los s of R s .240 c. P rofi t of R s .2060 d. P rofi t of R s .2160 e. none of these

Train A crosses a stationary train B in 50 second and a pole in 20 seconds with the same speed. The length of the train A is 240 metres. What is the length of the stationary train B. 260 m e t r e s b. 300 m e t r e s c. 360 m e t r e s d. Cannot be determined e. 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

Two spinning machines A and B can together produce 3,00,000 metres of cloth in 10 hours. If machine B alone can produce the same amount of cloth in 15 hours, then how much cloth can machine A produce alone in 10 hours? 50 , 000 m e t r e s b. 1, 00 , 000 m e t r e s c. 1, 50 , 000 m e t r e s d. 2, 00 , 000 m e t r e s

Study the graph carefully and answer the question below The total daily sales of newspaper P in cities B D and E in what percentage less than that of newspaper Q in cities A,C D and E?