Q.11 Length, breadth and height of a cuboid are 3 cm, 6 cm and 10 cm respectively. What is the total surface area of the cuboid?Ans 1. 256 cm22. 144 cm23. 216 cm24. 196 cm2Correct Ans: 3

Q.1 Which acid is found in vinegar?Ans 1. Oxalic acid2. Formic acid3. Lactic acid4. Acetic acidCorrect Ans: 4

Q.16 If a positive number is decreased by 5, then it becomes equal to the 24 times of the reciprocal of the original number. What is the original number?Ans 1. 42. 33. 54. 8Correct Ans: 4

Q.18 A solid sphere of diameter 4.9 cm is cut into two equal halves. What will be the increase in its total surface area?Ans 1. 37.73 cm22. 33.57 cm23. 42.26 cm24. 29.93 cm2Correct Ans: 1

Q.20 What is the colour of the outer zone of complete combustion of candle flame?Ans 1. Orange2. Blue3. Black4. YellowCorrect Ans: 2

Q.23 Eleven friends spent Rs. 24 each on a tour and the twelfth friend spent Rs. 22 less than the average expenditure of all twelve of them. What is the total money spent by them?Ans 1. Rs. 2642. ...

Q.4 The table given below shows the number of calculators sold by seven companies in a month.Which of the following statement(s) is/are correct?I. The ratio of number of calculators sold by company A to ...

Q.17 Modern periodic table has ______ groups and ______ periods.Ans 1. 18, 72. 15, 83. 12, 64. 20, 10Correct Ans: 1

Q.3 Marked price of an article is Rs. 1800. S1 = Selling price after a single discount of 50 percent.S2 = Selling price after two succesive discounts of 40 percent and 20 percent.What is the ...

Q.24 The table given below shows the number of males, females and children in six different states.Total population = No. of males + No. of females + No. of childrens Which of the following is the ...