Which radioactive element with atomic number 43 in the modern periodic table is unstable, and the half-lives of all its isotopes are relatively short, from 4.2 million years to 5.0 s?
The correct answer is D
Satyam and Aman have monthly salaries, including savings and expenditure, in the ratio 8:11. Aman's monthly savings are Rs. 12,000, and Satyam's savings...
The ratio of "Bhuvan's" income to "Chetan's" expenses is 3:1. The amount that "Anoop" spends is the same as "Chetan's," which is 20% less than "Bhuvan's...
The income of P is 3/4 th of the income of Q and income of R is 70% more than the income of Q. Income of Q is Rs.24000 and expenditure of P i...
The income of Anand is 30% more than the income of Mayank and the income of Radhika is 70% of the combined income of Anand and Mayank. By what percentag...
The income to expenditure ratio for Pawan and Qureshi is 5:2 and 5:3, respectively. If the sum of their incomes is Rs. 5,500 and Pawan's savings are Rs....
The monthly incomes of Sarah and David are in the ratio 5:6, respectively, and the respective ratio of their savings is 1:2. If the monthly savings of S...
The income of 'E' is Rs. 50,000 while the income of 'F' is 20% more than that of 'E'. The ratio of expenditure and savings of 'E' is 2:3, respectively. ...
The monthly salary of Ankita is Rs. 21,300, and Mamta's monthly salary is Rs. 12,000. The ratio of their monthly expenditures is 9:5, and the ratio of t...
The respective ratio of monthly income of A to monthly income of B is 8:9, and A’s saving is (100/9) % more than B’s saving. Find the expend...
The average income of three employees, namely Amit, Bisht, and Cherry, is Rs. 24000. Bisht's income is 10% higher than Amit's, and Cherry's income is 50...
