In each of these questions two equations numbered I & II are given. You have to solve both the equations and give answer.
I. $$a^{2}+5a+6=0$$
II. $$b^{2}+3b+2=0$$
I. $$2a^{2}+3a+1=0$$
II. $$12b^{2}+7b+1=0$$
I. $$a^{2}=4$$
II. $$b^{2}=9$$
I. $$6a^{2}-25a+25=0$$
II. $$15b^{2}-16b+4=0$$
I. $$4a^{2}-20a+21=0$$
II. $$2b^{2}-5b+3=0$$
What approximate value will come in place of the question mark (?) in the following equations ?
125% of 4875 + 88.005 $$\times$$ 14.995 =?
$$127.001 \times 7.998 + 6.05 \times 4.001$$ = ?
$$1010\div36+187\times20.05$$=?
For the following questions answer them individually
What will come in the place of question mark (?) in the following equation ?
$$16^{7.5}\div8^{3.5}\div2^{7.5}$$=?
Present ages of Seema and Naresh are in the respective ratio of 5:7. Five years hence the ratio of their ages become 3: 4 respectively. What is Naresh’s present age in years ?
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