Numbers problems
- 1. Two bus tickets from city K to L and three tickets from city K to M cost Rs. 77, but three tickets from city K to L and two tickets from city K to M cost Rs. 73. What are the fares for cities L and M from K ?
Options- A. Rs. 13 and Rs. 17
- B. Rs. 17 and Rs. 19
- C. Rs. 23 and Rs. 17
- D. Rs. 13 and Rs. 19 Also asked in: AIEEE, Bank Exams, CAT, Bank Clerk, Bank PO
Correct Answer: Rs. 13 and Rs. 17
Explanation:
If fares for cities L and M from K are x and y respectively, then
2x + 3y = 77 or 6x + 9y = 231...(1)
3x + 2y = 73 or 6x + 4y = 146...(2)
subtracting 2 from 1, we get
5y = 85
y = Rs. 17 => x = Rs. 13
- 2. In math questions answers each questions are solved with explanation. The questions are based from different topics. Care has been taken to solve the questions in such a way that students can understand each and every step 1. Which is greater than 4? (a) 5, (b) -5, (c) -1/2, (d) -25.
Options- A. 5
- B. 20
- C. 2
- D. 3 Also asked in: Bank Exams
Correct Answer: 5
Explanation:
Solution:
5 greater than 4.
Answer: (a)
- 3. Which is the correct ascending order of the given numbers?
Options- A. 1/3, 4/15, 0.33
- B. 1/3, 0.33, 4/15
- C. 4/15, 0.33, 1/3
- D. 0.33, 4/15, 1/3 Also asked in: Bank Exams
Correct Answer: 4/15, 0.33, 1/3
- 4. What will come in place of the question mark in the series below? 7, 4.5, 5.5, 12, 49, ?
Options- A. 393
- B. 396
- C. 354
- D. 367 Also asked in: AIEEE, Bank Exams, GATE
Correct Answer: 393
Explanation:
Ans.
4.5 = 7 x 0.5 + 1
5.5 = 4.5 x 1 + 1
12 = 5.5 x 2 + 1
49 = 12 x 4 + 1
? = 49 x 8 + 1, i.e. ? = 393
- 5. 10 is added to a certain number, the sum is multiplied by 7, the product is divided by 5 and 5 is subtracted from the quotient. The remainder left is half of 88. What is the number?
Options- A. 21
- B. 20
- C. 25
- D. 30 Also asked in: Bank Exams
Correct Answer: 25
Explanation:
Let the number be x
When 10 is added, number = x + 10
When 7 is multiplied, number = 7 X (x + 10)
According to question,
?[7 X (x+10) / 5] ?5 = 44
?7x + 70 = 49 X 5
?x + 10 = 35,
?x = 25
- 6. The average value of property of Agil, Mugilan and Anithais Rs. 130cr. The Property of Agil is 20cr greater than the property value of Mugilan and Anitha property value is 50cr greater than the Agil property value. The value ofproperty of Anitha is
Options- A. 120 cr
- B. 170 cr
- C. 100 cr
- D. 150 cr Also asked in: Bank Exams
Correct Answer: 170 cr
Explanation:
Property value of Mugilan x
130 × 3 = x + x + 20 + x + 20 + 50
390 = 3x + 90
3x = 300
X = 100
Anitha = 100 + 20 + 50 = 170
- 7. The largest 5 digit number exactly divisible by 95 is ______.
Options- A. 99936
- B. 99935
- C. 99940
- D. 99933 Also asked in: Bank Exams
Correct Answer: 99940
- 8. The average of 3 consecutive even numbers is A. If next 5 even numbers are added, then what is the average of these 8 numbers?
Options- A. A + 3
- B. A + 4
- C. A + 5
- D. A + 7 Also asked in: Bank Exams
Correct Answer: A + 5
- 9. The average of 8 consecutive integers is 23/2. What is the average of first three integers?
Options- A. 9
- B. 19/2
- C. 8
- D. 10 Also asked in: Bank Exams
Correct Answer: 9
- 10. What should be the missing digit so that the number 275_476 becomes exactly divisible by 11?
Options- A. 6
- B. 4
- C. 2
- D. 3 Also asked in: AIEEE, Bank Exams, CAT
Correct Answer: 3
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