835, 734, 642, 751, 853, 981, 532 (a) 751          (b) 853           (c) 981           (d) 532

In the following questions 3 series are given. You have to find the value of a, b and c by identifying the pattern of the series and then you have to establish the relation among a, b and c? I. 1, 601, 721, 751, a, 766 II. 753, 769, b, 765, 763, 764 III. 23, 24, 50, 153, c, 3085

Give a rough estimate (by rounding off to nearest hundreds) and also a closer estimate (by rounding off to nearest tens) : (a) 439 + 334 + 4,317 (b) 1,08,734 – 47,599 (c) 8325 – 491 (d) 4,89,348 – 48,365 Make four more such examples.

The average weight of three boys A , B and C is 54 1/3 kg, while the average weight of three boys B , D and E is 53 kg. What is the average weight of A , B , C , D and E ? (a) 52.4 kg (b) 53.2 kg (c) 53.8 kg (d) Data inadequate (e) None of these

(532)/(648)xx(432)/(588)=?(2)/(21) (b) (38)/(63) (c) (21)/(64) (d) (19)/(21) (e) None of these

The sum of the digits of a natural number (10^(n)-1) is 4707, where n is a natural number.The value of n is 477 (b) 523 (c) 532 (d) 704

What was the difference between the average amount invested in raw materials during the given period and the average value of sales of finished goods during this period? (a) 62.5 lakhs (b) Rs 68.5 lakhs (c) Rs 71.5 lakhs (d) Rs 77.5 lakhs (e) Rs 83.5 lakhs

What part of an hour elapses from 4.56 P.M.to 5.32 P.M.? (1)/(4) (b) (1)/(2)( c) (3)/(5) (d) (3)/(4)

A circular pond has area equal to 616 m2. A circular stage is made at the centre of the pond whose radius is equal to half the radius of the pond. What is the area where water is present? (a) 454 sq. m (b) 462 sq. m (c) 532 sq. m (d) 564 sq. m

The diameter of a ball was measured five times with the aid of a micrometer whose absolute error (Deltad_("inst"))= pm 0.01 mm . The results of measuring the diameter of the ball are d_(1)=5.27 mm, d_(2)=5.30 mm, d_(3)=5.28 mm, d_(4)=5.32 mm and d_(5)=5.28 mm . Find (a) mean value of ball diameter (b) mean absolute error (c) result of measurement (d) relative error (e) persentage error.

Read the following paragraph and answer the questions from 31 to 32: The weights of Raj and suraj are 69.725kg and 69.45kg respectively 31. What is their total weight in kg?a) 193.715b ) 139.715c ) 139.175d ) 139.751