The product of two numbers is 120 and the sum of their squares is 289. The sum of the number is:
20
23
169
None of these
What is the sum of two consecutive even numbers, the difference of whose squares is 84?
34
38
42
46
A number consists of 3 digits whose sum is 10. The middle digit is equal to the sum of the other two and the number will be increased by 99 if its digits are reversed. The number is:
145
253
370
352
Find the Unit digit of the number 31^1479 ?
4
6
1
7
(FC)16 =(x) 10 What is the value of x?
242
254
252
Is 143143143143 divisble by 11?
True
False
)Find the unit digit of 2166^2166 is
3
9
Find the last two digits of 19^244
41
61
21
81
log27 /log 12 = a then log 16 /log 6 = ?
4(3+a)/(3-a)
2(3+a)/(3-a)
8(3+a)/(3-a)
4(3-a)/(3+a)
65^2=?
4225
5625
4025
3925