QBM015

Q1. One bacteria splits into eight bacteria of the next generation. But due to enviroment, only 50% of one generation can produce the next generation. If the seventh generation number is 4096 million, what is the number in first generation? a. 1 million b. 2 million c. 4 million d. 8 million Q2. A nab earns x% on the first Rs. 2,000 and y % on the rest of his income. If he earns Rs. 700 from Rs.4,000 and Rs.900 from Rs. 5,000 of income, find x% ? a. 20% b. 15% c. 25% d. None of these Q3. I bought 5 pens, 7 pencils and 4 erasers. Rajan bought 6 pens, 8 erasers and 14 pencils for an amount which was half more what I had paid. What percent of the total amount paid by me was paid for the pens? Q4. A wholesaler allows a discount of 20% to the retailer. The retailer sells at 5% below the list price. If the customer pays Rs. 19 for an article, what is the profit made by the retailer? Q5. The average consumption of petrol for a car for seven months is 110 litres and for next five months it is 86 litres. The average monthly consumption is: (a) 96 litres (b) 98 litres (c) 100 litres (d) 102 litres Q6. A shepherd has 1 million sheeps at the beginning of Year 2000. The numbers grow by x% (x > 0) during the year. A famine hits his village in the next year and many of his sheeps die. The sheep population decreases by y% during 2001 and at the beginning of 2002 the shepherd finds that he is left with 1 million sheeps. Which of the following is correct? a. x > y b. y > x c. x = y d. Cannot be determined Q7. Rohit went to fruit market with Rs. X . with this money he can buy either 50 oranges or 40 mangoes. He retains 10% of money for bus fare. If he buys 20 mangoes the number of oranges he can buy is : 20 Q8. Amit's weight is 140% of Abhishek's weight. Arun's weight is 90% of Atwal's weight. Atwal weighs twice as much as Abhishek. What percentage of Amit weight is Arun's weight? Q9. The price of a Maruti car rises by 30% while sales of the cars come down by 20%. What is the percentage change in the total revenue? Q10. The average temperature of the first three days is 27º C and that of the next three is 29º C. If the average of the whole week is 28.5ºC, the temperature of the last day of the week is: (a) 10.5º C (b) 21ºC (c) 31.5ºC (d) 42ºC END