Mathmetics

ISBT Mathmetics for all banking PO,Clerk,IBPS PO,Railway,SSC,IAS,OAS Exams

Q1.	In a certain school, 20% of students are below 8 years of age. The number of students above 8 years of age is2/3 of the number of students of 8 years of age which is 48. What is the total number of students in the school ?

1)	72	2)	80
3)	100	4)	120
5)	None of these

Q2.	A student scores 50% in an examination and after review, even though his score is increased by 40%, he fails by 30 marks. If his post-review score is increased by 20%, he will have 12 marks more than the passing score. What should be the percentage of mark needed for passing the examination ?

1)	60	2)	70
3)	72	4)	80
5)	None of these

Q3.	A vendor buy Fresh Fruits, contain 70% water and also buy Dry Fruits which contain 40% water. If he buys 120 kg of Fresh Fruits,how much quantity of Dry Fruits can be obtains from  that quantity?

1)	56 kg	2)	60 kg
3)	64 kg	4)	72 kg
5)	None of these

Q4.	The weights of two persons A and B are in the ratio of 4 : 5. The weight of 'A' increases by 10% and the total weight of A and B together becomes 82.8 kg, with an overall increase of 15%. By what per cent did the weight of B increase ?

1)	12.5%	2)	17.5%
3)	19%	4)	21%
5)	None of these

Q5.	When 20% of a number added to another number, the second number increases by its 50%. what is the ratio between two numbers ?

1)	2:5	2)	5:2
3)	2:3	4)	3:4
5)	None of these

Q6.	In a test, minimum passing percentage for girls and boys is 35% and 40% respectively. A boy scored 483 marks and failed by 117 marks. What is the minimum passing marks for girls ?

1)	425	2)	480
3)	520	4)	625
5)	None of these

Q7.	Alok spends 23% of an amount of money on an insurance policy, 33% on food, 19% of children’s education and 16% on recreation. He deposits the remaining amount of Rs. 504 in bank. How much total amount did he spend on food and insurance policy together ?

1)	Rs.3200	2)	Rs.3126
3)	Rs.3136	4)	Rs.3048
5)	None of these

Q8.	A shopkeeper wants to buy 600 kg watermelon,contain 99% water. On the way of shipping due to dehydration ,it contain only 98% water when it reaches at the destination. What is the present mass of the watermelon ?

1)	294 kg	2)	300 kg
3)	494 kg	4)	588 kg
5)	None of these

Q9.	There are 480 students in a class, consists of boys and girls, appearing in an examination. 85% of girls and 70% of boys pass in that examination. How many boys pass in the examination, if over all 75% of the students pass in that examinations ?

1)	224	2)	216
3)	236	4)	244
5)	None of these

Q10.	When 30% of a number added to another number , the second number is increases by 50%.What is the ratio between the first number to second number ?

1)	3:5	2)	5:3
3)	2:3	4)	4:5
5)	None of these