Description : Where can we see long lasting composit resin? a. Class III. b. Class II c. ClassV
Last Answer : a. Class III.
Description : .What is the percentage of the echant agent used with composit resin restorations? a . 37% of phosphoric acid in water. b. 15% c. 18.5% d. 41%
Last Answer : a . 37% of phosphoric acid in water.
Description : What are primae numbers between 40 and 50?
Last Answer : 41 43 and 47 are the prime numbers between 40 and 50
Description : One writes all numbers from 50 to 99 without the digits 2 and 7. How many numbers have been written? (A) 32 (B) 36 (C) 40 (D) 38
Last Answer : Answer: A
Description : The sum of the squares between three numbers is 5000. The ratio between the first and the second number is 3:4 and that of second and third number is 4:5. Find the difference between first and the third number. A) 20 B) 30 C) 40 D) 50 E) None of these
Last Answer : Answer: A a^2 + b^2 + c^2 = 5000 a:b:c = 3:4:5 50x^2 = 5000. X = 10. 5x – 3x = 2*10 = 20
Description : Tennis game scores...15...30...40. Why these numbers? Do they have any significance?
Last Answer : answer:As simple as this scoring appears, the running score of each game is described in a manner peculiar to tennis: scores of zero to three points are described as love (or zero ), ... means that the server has won two points and the receiver none. http://en.wikipedia.org/wiki/Tennis_scoring
Description : A student was once given a simple task to accomplish. He was given 6 numbers: 1, 10, 20, 30, 40, and 80, and was told to sum them together to be equal to 100. At last, he was able to accomplish this task. How did he do it? -Riddles
Last Answer : He read 10 and 80 backwards to give him 01 and 08 respectively. So, 1 + 01 + 20 + 30 + 40 + 08 = 100.
Description : What two numbers have the sum of 40 and the difference of 10?
Last Answer : The numbers are 25 and 15
Description : What two numbers have a sum of 40 and their difference is 10?
Last Answer : It's 25 and 15
Description : What are the prime numbers between 32 and 40?
Last Answer : There is only one and it is 37
Description : What are the prime numbers between1 to 40?
Last Answer : They are: 2 3 5 7 11 13 17 19 23 29 31 and 37
Description : What are two numbers with the sum of 40 and the difference of 10?
Description : The first electronic general purpose digital computer built by Eckert and Mauchly called ENIAC did not work on the stored program concept. How many numbers could it store in its internal memory? A) 100 B) 20 C) 40 D) 80
Last Answer : Answer : B
Description : How many numbers could ENIAC store in its internal memory A) 100 B) 20 C) 80 D) 40
Description : The first electronic general purpose digital computer built by Mauchly and Eckert called ENIA did not work on the stored program principle. How many numbers could it store in its internal memory? a. 100 b. 20 c. 40 d. 80
Last Answer : 20
Description : The L.C.M. of two numbers is 48. The numbers are in the ratio 2 : 3. Then sum of the number is: A.30 B.22 C.40 D.60 E.None of these
Last Answer : Answer – C (40) Explanation – Let the numbers be 2x and 3x. Then, their L.C.M. = 6x. So, 6x = 48 or x = 8. The numbers are 16 and 24. Hence, required sum = (16 + 24) = 40.
Description : The L.C.M of two numbers is 14 times their H.C.F . The sum of the L.C.M. and the H.C.F . is 600. If one number is 280 , then the other number is (a) 40 (b) 60 (c) 80 (d) 100
Last Answer : 80
Last Answer : b. 20
Description : If the average of two numbers are 138& product is 2241. Then find the difference of both numbers? A) 225.40 B) 259.25 C) 267.81 D) 294.57
Last Answer : B) let the two number be a & b sum of two numbers, a+b = 138*2 =276---1 product of two numbers, a*b=2241 (a+b)2 = a2 + 2ab + b2 ------2 (a-b)2 = a2 -2ab +b2 ------3 solving 2 & 3, 76176 - (a-b)2 = 4*2241 a-b = 259.25
Description : The average of 7 consecutive odd numbers is 41. Find the largest of these numbers A) 40 B) 57 C) 47 D) 43
Last Answer : C) Let the numbers be x , x+2,x+4,x+6, x+8, x+10 and x+12 Then x+x+2+x+4+x+6+x+8+x+10+x+12/7 7x+42=287 7x=245 X=35 Largest number = x+12 = 35+12 =47