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3rd November 2022 Static Quiz for UPSC Prelims
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You have reached 0 of 0 points, (0) The average attendance of a college for the first three days of a week is 325 , and for first four days it is 320. How many present on the fourth day ? Ans : ( a ) Ans : ( a ) The average of 8 reading is 24.3 out of which the average of first two is 18.5 and that of next three is 21.2 . If the sixth reading is 3 less than seventh and 8 less than eighth , what is the sixth reading ? Ans : ( c ) 18.5 + 3 × 21.2 + X + ( X + 3 ) + ( X +8 ) Or 37 + 63.6 + 3X + 11 = 194.4 or X = 27.6 Ans : ( c ) 18.5 + 3 × 21.2 + X + ( X + 3 ) + ( X +8 ) Or 37 + 63.6 + 3X + 11 = 194.4 or X = 27.6 Average of 5 consecutive odd numbers is 39 . Find the product of first and last number . Ans : ( c ) Sol : So required answer = 35 × 43 Ans : ( c ) Sol : So required answer = 35 × 43 The average of the first and the second of three numbers is 15 more than the average of the second and the second and the third of these numbers . What is the difference between the first and the third of these three numbers ? Ans : ( d ) Sol : ( x + y )/2 = [( Y + z )/2] +15 ⇒X – Z = 30 Ans : ( d ) Sol : ( x + y )/2 = [( Y + z )/2] +15 ⇒X – Z = 30 Sumitra has an average of 56 % in her first 7 examinations . How much should she get in her eighth examination to obtain an average of 60 % on 8 examinations ? Ans : ( d ) Sol : Since the weight age of eighth examination is not known , hence cannot be determined . Ans : ( d ) Sol : Since the weight age of eighth examination is not known , hence cannot be determined . A man engaged a servant on the condition that he would pay him Rs . 710 and a uniform after a year service . He served only for 8 months and received uniform and Rs . 460 . Find the price of the uniform ? Ans: a Ans: a In a division sum , the divisor is 12 times the quotient and 5 times the remainder . If the remainder is 48 , then the dividend is ? Ans: d Ans: d A certain number when divided by 81 leaves a remainder 53. What is the remainder if the same number be divided by 27 ? Ans: c Ans: c A certain number when divided by 69 leaves a remainder 19. What is the remainder when the same number is divided by 23 . Ans: a Ans: a How many numbers lying between 300 and 900 are divisible by 17? Ans: a Ans: a 3rd November 2022
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1. Question
2 points
Sol:
Required answer
= 320 x 4 – 325 x 3
= 305
Sol:
Required answer
= 320 x 4 – 325 x 3
= 305
2. Question
2 points
Sol :
Let 6th reading = x .
then , 7th = ( x + 3 )
and
8th = ( x + 8 )
= 8 x 24.3
Sol :
Let 6th reading = x .
then , 7th = ( x + 3 )
and
8th = ( x + 8 )
= 8 x 24.3
3. Question
2 points
Numbers are 35 , 37 , 39 , 41 , 43 .
= 1505
Numbers are 35 , 37 , 39 , 41 , 43 .
= 1505
4. Question
2 points
5. Question
2 points
6. Question
2 points
7. Question
2 points
8. Question
2 points
9. Question
2 points
10. Question
2 points
Leaderboard: 3rd November 2022
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