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GYANJYOTI KANCHANBEN RASIKLAL VIDYALAYA, KHARIAR ROAD, (Affiliated to CBSE- New Delhi, Aff. No. 1530369), PA - III E X A M 2 0 2 1 – 2 2, CLASS- VIII, SUB- MATHS, , FM- 20 Marks, TIME- 45 min, , 1. Choose the correct option among the followings., , [1x6=6], , I. Choose the correct one., a) 0≤ P (A) ≥1, b) 0< p (A) <1, c) 0≤ p (A) <1, d) 0≤ p(A)≤1, II. A dice is rolled once. The probability of getting a composite number is _____., a) 1/2, b) 2/3, c) 1/3, d) 1/6, III. _____ is multiplied to 324 to get a perfect square number., a) 0, b) 1, c) 2, d) 3, IV.Which of the following number may not be a square number?, a) 3246, b) 2308, c) 84281, d) 2309, 2, 2, V. How many numbers lie between 17 and 18 ?, a) 34, b) 33, c) 35, d) 32, VI. If area of a square is 196 m2, then its perimeter is _____., a) 60m, b) 56m, c) 48m, d) 60m, 2. Fill in the blanks., [1x6=6], I. The probability of getting a red face card from a well shuffled deck is _____., II. Two coins tossed ones. The probability of getting at least two head is _____., III. A bag contains 10 red balls, 2 white balls and 3 black balls. If a ball selected randomly then the, probability of getting a black ball is _____., IV. The square root of 1024 is _____., V. The Pythagorean triplet of 10 and 24 is _______., VI. Total non square numbers lie in between 152 and 172 is _____., , 3. Answer any four of your choice., , [2x4=8], , I. What is the smallest number should be multiplied by 420 to get a perfect square number and also, find the square root of that number?, II. Find out the square root of 6724 by division method., III. What is the smallest number should be subtracted from 3286 to get a perfect square number?, IV. Two dice is thrown once. Find the probability that the sum of two numbers among pairs is greater, than 8., V. Find the area of the shaded region where radius of the circular field is 14m and length and breadth, of the rectangular field is 60 m and 44 m respectively., , Best of Luck…, ----------------------------------------------------------------------------------------------------------
