Miscellaneous

A. Incorrect.
The present value of a bond is less than its face value, not more, if the discount rate (or needed yield) is higher than the coupon rate. This is because the bond's fixed payments—the coupons and the face value at maturity—have a lower present value due to a higher rate of discounting.

B. Correct.
In fact, a perpetuity is an annuity that pays out on a regular basis starting on a specific day and going on indefinitely.

C. Correct.
The coupon payment is the interest that a bond issuer makes to bondholders at predetermined intervals at a predetermined rate.

D. Incorrect.
A sinking fund is not a monthly payment plan that borrowers make to lenders in order to pay off their loans. By making recurring payments to a trustee who retires a portion of the issue by buying the bonds on the open market, a sinking fund serves as a mechanism for paying back money borrowed through the issuance of bonds.

E. Correct.
Bonds have a maturity date, which is the later date by which the bond's issuer repays the investor the principal, or face value, of the bond.

Therefore, option (C) is correct : B. C.E only

Hari cover the Distance of m in sec and Ram cover the Distance of m in sec

Difference of timing between Hari and Ram is sec

Speed of Ram = =

Ram in 9 sec covered the distance =

=

= meters

Therefore, Hari wins by 20 m to Ram.

The boat is moving at in still water and the current is moving at
Therefore, the boat's effective speed upstream = =
Now, Time taken by boat to go 36 km upstream = = 3 hr

So, the correct option is (B): 3 hr.