Question
Which of the following is not the common pest of Rice
crop?Solution
Nephotettix nigropictus: Rice green leafhopper Nilaparvata lugens: Brown planthopper Scirpophaga incertulas: Rice stem borer Leptocorisa oratorius: Gundhi bug Atherigona soccata: Sorghum shootfly
HCF of two numbers 40 and 90 can be expressed in the form of (30m – 110) whereas LCM of these two numbers can be expressed in the form of (60n – 30)...
If the total ages of A and B is 18 years more than the total age of B and C. C is how many years younger than A?
The HCF and LCM of two natural numbers are 14 and 84, respectively. What is the difference between the two numbers, if one of the numbers is 28?
If the highest common factor of two numbers is 18, then which of the following may be the least common multiple of the numbers?
The greatest number of four digits which when divided by 9, 12, 15 leave remainders 6, 9, 12 respectively is:
What is the least number which when divided by 4, 6 & 8 leave a remainder 6 in each case & it is also divisible by 5?
The HCF and LCM of two natural numbers are 14 and 66, respectively. What is the difference between the two numbers, if one of the numbers is 28?
Find the difference between sum of digits of LCM and HCF of 24, 36 and 90.
Find the least number of four digits which is exactly divisible by 6, 8 and 16?
