1.The ratio of ducks and frogs in a pond is 37 : 39 respectively. The average number of ducks and frogs in the pond is 152. What is the number of frogs in the pond ? (3)
(1) 148
(2) 152
(3) 156
(4) 144
(5) None of these
2.The number of employees in Companies A, B and C are in a ratio of 4 : 5 : 6 respectively. If the number of employees in the three Companies is increased by 25%, 30% and 50% respectively, what will be the new ratio of employees working in Companies A, B and C respectively ? (5)
(1) 13 : 10 : 18
(2) 10 : 13 : 17
(3) 13 : 15 : 18
(4) Cannot be determined
(5) None of these
3.The average of five positive numbers is 213. The average of the first two numbers is 233·5 and the average of last two numbers is 271. What is the third number ? (2)
(1) 64
(2) 56
(3) 106
(4) Cannot be determined
(5) None of these
4. Sonali invests 15% of her monthly salary in insurance policies. She spends 55% of her monthly salary in shopping and on household expenses. She saves the remaining amount of Rs. 12,750. What is Sonali’s monthly income ? (1)
(1) Rs. 42,500
(2) Rs. 38,800
(3) Rs. 40,000
(4) Rs. 35,500
(5) None of these
5.In how many different ways can the letters of the word ‘ARISE’ be arranged? (4)
(1) 90
(2) 60
(3) 180
(4) 120
(5) None of these
