If a, a + 2, a + 4 are prime numbers, then the number of values of a is
One
two
three
more than three
C.
three
Given, a, a+2, a+4 are prime numbers.
1) If a= 2 (prime)
then 2, 4, 6 all are not prime numbers.
2) If a= 3 (prime)
then, 3, 5, 7 all are prime numbers.
3) If a =5
then, 5,7, 9 all are not primer numbers.
4) If a =7
then, 7, 9, 11 all are not prime numbers.
The population of a village increases by 5% yearly. If at present the population of the village is 4410, then what was the population before two years?
4420
4430
4440
4000
A company makes an advertisement of shares to collect a capital of 25 lakh. If the printed price of one share is
20000
25000
30000
15000
From a pack of 52 playing cards, a card is drawn at random. What is the probability that the card is a spade or an ace?
In the given figure, ABCD is a cyclic quadrilateral. Then, the ordered pair (x,y) is
(15o, 25o)
(10o, 15o)
(15o, 35o)
(40°, 35°)
For what value of x, the mode of the following data is 27?
25,26,27,23,27,26,24,x,27,26,25,25
27
24
25
26