Question
…………………………….is the prominent
member of 1:1 type group in which one tetrahedral and one octahedral layer is present.Solution
1: 1 type clay mineral. Others are Halloysite, Nacrite and Dickite.
The difference between the compound interest and simple interest on a certain sum for 2 years at 12% per annum is 144. Find the principal amount.
After 8 years, the age of Neha will be 6 years less than 2 times of her age, 5 years back. What is Neha’s present age?
Six years from now, Kirti's age will be twice that of her brother Kunal, but 4 years ago she was three times as old as Kunal was then. Find the present ...
At present Meena is eight times her daughter’s age. Eight years from now, the ratio of the ages of Meena and her daughter will be 9 : 2 respective...
The ages of A, B and C together are 54 years. B is thrice as old as A and C is 4 years older than A. What is the difference between ages of B and C?
Present age of ‘A’ is 40% more than that of ‘B’. If 11 years hence from now, ‘B’ will be 5 years younger than ‘A’, then find the sum of ...
The ratio of the present ages of Aman and Deepak is 3:5. After 5 years, the ratio of their ages will be 5:8. Find the present age of Rohit, who is 7 yea...
18 years ago the average age of a family of four members was 45 years. Two children were born in that span of 18 years. The present average age of the f...
Present ages of 'X' and 'Y' are in ratio 7:8, respectively. If twelve years hence from now, age of 'X' will be 15% less than that of 'Y', then find the ...
Four years ago, the ratio of ages of ‘Ravi’ and his sister was 3:4, respectively. 4 years from now, the ratio of ages of Ravi and his mother will be...
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