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- Question
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
- Correct Answer
- 393
ExplanationAns.
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 - 1. 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 Discuss
- 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 Discuss
- 3. 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 Discuss
- 4. If you write down all the numbers from 1 to 100, then how many times do you write 4 ?
Options- A. 11
- B. 20
- C. 17
- D. 14 Discuss
- 5. If x / y is an integer, which of the following statements need NOT always be true?
Options- A. both x and y are integers
- B. only x is a integer
- C. both are negative
- D. none Discuss
- 6. 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 Discuss
- 7. How many numbers are there from 700 to 950 (including both) which are neither divisible by 3 nor by 7?
Options- A. 107
- B. 141
- C. 144
- D. 145 Discuss
- 8. Find the square root of 15625.
Options- A. 125
- B. 145
- C. 150
- D. 135 Discuss
- 9. 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 Discuss
- 10. The largest 5 digit number exactly divisible by 95 is ______.
Options- A. 99936
- B. 99935
- C. 99940
- D. 99933 Discuss
Numbers problems
Search Results
Correct Answer: 4/15, 0.33, 1/3
Correct Answer: 5
Explanation:
Solution:
5 greater than 4.
Answer: (a)
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
Correct Answer: 20
Explanation:
4, 14, 24, 34, 44, 54, 64, 74, 84, 94 => has 11 number of (4's)
40, 41, 42, 43, 45, 46, 47, 48, 49 => has 9 number of (4's)
So, totally (11 + 9 = 20) number of 4's in 1 to 100.
Correct Answer: both x and y are integers
Explanation:
In case (A), x and y could, for example, both be equal fractions and x/y would be an integer.
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
Correct Answer: 144
Correct Answer: 125
Correct Answer: 170 cr
Explanation:
Correct Answer: 99940
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