NCHMCT JEE Numerical Ability and Scientific Aptitude Question Papers.
1. What is the number of numbers between 400 and 500 if both the numbers are counted?
(1) 101 (2) 100 (3) 99 (4) 102
2. After the division of a number successively by 3, 4, and 7, the remainders obtained are 2, 1 and 4 respectively. What will be the remainder if 84 divide the same number?
(1) 80 (2) 76 (3) 41 (4) 53
3. The sum of all even two digit numbers is divided by one of them leaving no remainder. It is known that the sum of the digits of the divisor is 9, and that the digits in the quotient and divisor are the reverse of each other. The divisor is
(1) 18 (2) 36 (3) 54 (4) 72
4. In a class of 51 students, the difference between the highest marks and the least marks is 70. If the average score is calculated without considering the student who got the highest marks then the average score decreases by 1%. If the average score is calculated without considering the student who got the least marks then the average score increases by 1 1/3%. What is the original average score of the class?
(1) 60 (2) 70 (3) 80 (4) 40
5. Shashi counts all the numbers from 252 to 594 and checks for the number of occurrences of 8. How many times does he come across the number 8? (1) 74 (2) 76 (3) 79 (4) 80
6. How many metres of cloth 5 m wide will be required to make a conical tent, the radius of whose base is 7 m and whose height is 24 m? (Take π = 22/7)
(1) 108 m (2) 110 m (3) 112 m (4) 115 m
7. Aluminium is not used
(1) in silvery paints (2) for making utensils (3) for making wires (4) a s oxidizer in metallurgy
8. Viruses are composed of
(1) proteins only (2) nucleic acids only
(3) proteins and nucleic acids (4) lipoprotein
9. Soap helps in cleaning clothes, because
(1) it lowers the surface tension of the solution
(2) it absorbs the dirt
(3) it increases the surface tension of the solution
(4) chemicals of soap change
10. The stored food material found in muscles is
(1) Phosphogen (2) Lipid (3) Glycogen (4) Protein
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