Question
Which of the following IDM measure is considered very
useful and feasible for poor farmers?Solution
The use of resistant varieties is very useful method for poor farmers because it does not require additional cost and it is environment-friendly. Host plant resistance is an important tool to control diseases of major food crops in developing countries, especially wheat, rice, potato, cassava, chickpea, peanuts and cowpea.
- The LCM of two numbers is 150, and the numbers are in the ratio 2:5. What will be the sum of the numbers?
Two numbers are in the ratio 2:8. The product of their H.C.F. and L.C.M. is 3600. The sum of the numbers is:
Let N be the greatest number that will divide 92, 114, 136 leaving the same remainder in each case. Then sum of the digits in N is:
The HCF and LCM of the two numbers are 225 and 360 respectively. When the first number is divided by 3, the quotient is 20. The other number is.
Three numbers a, b and c are co-prime to each other such that ab = 115 and bc = 253. Find the value of (a + b + c).
Ratio of two numbers 3:7 and their LCM is 840. Find the sum of the given two numbers.
LCM of two numbers is 64 times of their HCF. Sum of the HCF and LCM is 975. If the first number is 960. Find the other number?
The greatest number, which when subtracted from 1063, gives a number exactly divisible by each of 15, 20, 30 and 35, is:
Find the largest number of the five digit which is exactly divisible by 48, 72 and 108.
...A baker has four different varieties of cookies in quantities of 540, 720, 810, and 630. He wishes to pack these cookies such tha...