Question

20.
The value of 9x2 + 4992 - 42xy when
x = 15 and y = 3 is
a. 636.
b. 576.
C. 386.
d. 456.
The product of two numbers is 3000. If the H
of the number is 10, then the L.C.M. will be
a. 30.
b. 300.
C. 305.
set contains 300 mangoes. 75 mangoes
d. 5.​

Answer 1

Answer:

a

c

b

Step-by-step explanation: