Maths Practice Question and Answer
8Q: The average of three numbers is 154. The first number is double of the second number and the second is double of the third one. The first number is 3962 05d19dec87619fe30b9d345a8
5d19dec87619fe30b9d345a8- 1264true
- 2132false
- 388false
- 466false
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Answer : 1. "264"
Explanation :
let x y and z is three number
x:y
2:1
y:z
2:1
then we can find x:y:z is will be 4:2:1
Then 7/3=154
1=66
then the x will be=66*4=264
Q: 75% of a number is equal to three-seventh of another number. What is the ratio between the first number and the second number respectively ?
3956 05e6c8583b8843673942af822
5e6c8583b8843673942af822- 14: 7true
- 27:4false
- 312 :7false
- 47: 12false
- 5None of thesefalse
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Answer : 1. "4: 7 "
Q: If $$ {x+3y-{2z\over 4}}=6$$ , $$ {x+{2\over 3}}(2y+3z)=33$$ and $$ {1\over 7}{(x+y+z)+2z=9}$$, then what is the value of $$ {46x+131y}$$?
3954 05f2bc64cb57ade01cafa6af6
5f2bc64cb57ade01cafa6af6- 1364false
- 2414true
- 3384false
- 4464false
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Answer : 2. "414"
Q: A sum of Rs.10600 is divided among P, Q, R in such a way that P gets Rs.1400 more than what Q gets and Q gets Rs.1600 more than what R gets. The ratio of their shares is
3954 1608fc7c78ab61162923114d7
608fc7c78ab61162923114d7- 116: 9: 18false
- 227: 18: 10false
- 318: 25: 10true
- 416: 25: 10false
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Answer : 3. "18: 25: 10"
Q: What approximate value should come in place of the question mark(?) in the following question.
635×455÷403=?
3938 05d4aaf0011160f205237394e
5d4aaf0011160f205237394e635×455÷403=?
- 1735false
- 2795false
- 3695false
- 4685false
- 5715true
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Answer : 5. "715"
Q:Direction (66-70): What should come in place of the question mark(?) in the following number series?
10 11 13 21 69 ?
3937 05fd9c3b8079b5044b465188a
5fd9c3b8079b5044b465188a- 1382false
- 2420false
- 3424false
- 4384true
- 5None of thesefalse
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Answer : 4. "384"
Q: Simran started a software business by investing Rs. 50,000. After six months, Nanda joined her with a capital of Rs. 80,000. After 3 years, they earned a profit of Rs. 24,500. What was Simran's share in the profit ? 3936 05b5cc731e4d2b4197774f7f1
5b5cc731e4d2b4197774f7f1- 112,421false
- 29,423false
- 311,600false
- 410,500true
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Answer : 4. "10,500"
Explanation :
Answer: D) 10,500 Explanation: The ratio of their investments:50000x36 : 80000x30 = 3 : 4Simran's share of profit = (24500x3/7) = Rs.10,500.
Q: In how many different ways can letters of the word ‘SECOND’ be arranged?
3933 05d4a91060c56ef19ba1db78d
5d4a91060c56ef19ba1db78d- 1720true
- 2120false
- 35040false
- 4270false
- 5None of the abovefalse
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Answer : 1. "720"
Explanation :
Number of letter in word ‘SECOND’ =6
The number of ways can the letters of word be arranged =6×5×4×3×2×1=720

