MEDIUM
CAT
IMPORTANT
Earn 100

The marks obtained by Arpit in English, Maths, Science, and Hindi in Class 10 are as follows (Maximum marks per subject =100):

(a) The marks obtained in Maths is 1.5 times the marks obtained in English.

(b) Arpit got 64% in these four subjects.

(c) Arpit got the maximum and minimum marks in Science and Hindi, respectively, with a difference of 48 marks between them.

(d) An addition of 50% of the marks obtained in English to the final score gives an overall percentage of 70%.

What would be his percentage of marks if only Maths and Science marks are counted?

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Important Questions on Arithmetic

MEDIUM
CAT
IMPORTANT
Amit puts some amount in bank and obtained an interest of 15 at the end of one year. He added 85 to this amount and put the whole amount again in the bank for another year. At the end of the 2nd year, Amit got 420 as total (interest + principal). What amount did he put in the beginning and what is the rate of interest offered by the bank if the minimum amount that can be deposited in the bank is 75?
MEDIUM
CAT
IMPORTANT
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EASY
CAT
IMPORTANT
A food processing unit received fresh consignment of berries from Himachal Berry Corporation containing 'a' kilogram of berries. After analysis these berries were found to contain 99% water. After 15 days, sample of berries from the same lot was found to contain $98 \%$ water. What must be the weight of same lot at that time?
EASY
CAT
IMPORTANT
Kishore is an employee of a MNC firm. He needs  10 lakhs for buying a new flat in Patel Nagar. His company is offering housing loan at an interest rate of 15%for 5 years. The two banks ICICI and HFDC are offering loan for 5 year period at an interest rate of 18% and 13%, respectively. How much should Kishore borrow from the two banks so that he can pay the interest rate same as that of his own MNC firm?
MEDIUM
CAT
IMPORTANT
The population of towns A and B is in the ratio of 1: 4. For the next 2 years, the population of A would increase and that of B would decrease by the same percentage every year. After 2 years, their population became equal. What is the percentage change in the population?
MEDIUM
CAT
IMPORTANT
In a laboratory, equal number of rats were injected with solution A and solution B. In a week, 55% of rats injected with solution A got infected with a disease and of that, equal number of rats were treated with vaccine C and D. Now, percentage of rats treated with vaccine C that recovered was 70% and that with vaccine D was 50%, whereas others died. Calculate the number of rats on whom the experiment was carried out in the laboratory, if the number of rats that died even after being treated with vaccines due to the disease is 77 .
EASY
CAT
IMPORTANT
Some people form a joint account for one year with a condition that "each person will deposit an amount equal to the number of people in the account that month". Moreover, the person who withdraws from the account in between will get their amount at the end of the year. After 6 months, 25% of the people withdrew, and 33.33% of the remaining withdrew after 3 months. At the end of the year, there was an amount of  4860 in their account before paying off the withdrawn amounts. Find the number of people in the beginning of the year.
EASY
CAT
IMPORTANT
Consider a big cube formed of 64 smaller cubes of which 40 are coloured. The smaller cubes are arranged such that the exposure of the coloured cubes to the outside is minimized. What is the percentage of the exposed area that is coloured?