19, 28, 39, 52, 67, 84, 102 (a) 52      (b) 102        (c) 84        (d) 67

52, 54, 60, 84, 132, 212, 332

125, 123, 120, 115, 108, 100, 84 (a) 123 (b) 115 (c) 100 (d) 84

Find the HCF of the following numbers : (a) 18, 48 (b) 30, 42 (c) 18, 60 (d) 27, 63 (e) 36, 84 (f) 34, 102 (g) 70, 105, 175 (h) 91, 112, 49 (i) 18, 54, 81 (j) 12, 45, 75

In Fig.112, if \ A B C D , then x= (a) 32 (b) 42 (c) 52 (d) 31

If (52)/(x)=sqrt((169)/(289)), the value of x is (a) 52 (b) 58 (c) 62 (d) 68

The hands of a clock are 10cm and 7cm respectively.The difference between the distance traversed by their extremities in 3 days 5 hours is (a) 4552.67cm (b) 4555.67cm (c) 4557.67cm (d) 4559.67cm

The product of two numbers is 1530 and their HCF is 15. the LCM of these numbers is 102 (b) 120 (c) 84 (d) 112

Select the related number from the given alternatives : 20 : 11 : : 102 : ? (a) 49 (b) 52 (c) 61 (d) 58

If sqrt(18xx14xx x)=84, then x equals (a)22 (b) 24(c)28 (d) 32

There are 3 households : A, B and C in a market. From the following table, calculate demand for household B at various levels of price : {:("Price Rs. Household A Household B Household C Market Demand"),(" 14 12 - 22 52"),(" 12 16 - 32 72 "),(" 10 24 - 44 102"),(" 8 34 - 60 142"),(" 6 48 - 84 198"):}