For the following questions answer them individually
A shopkeeper marked every item 25%abovethe cost price and allowed 10% discount. Shruti being a regular customer got 5% additional discount onthe bill and paid ₹2394 for the item purchased. What is the cost price of the item (in ₹)?
Find the value of $$\sin^4 30^\circ + \cos^4 30^\circ - \sin 25^\circ \cos 65^\circ - \sin 65^\circ \cos 25^\circ$$
The value of $$18 \div [26 - \left\{25 - (15 - 5) \div 2\right\}] of 12 + 2 - 2 \div 4 \times 16$$ is:
$$\triangle ABC \sim \triangle DEF$$. If the areas of $$\triangle ABC$$ and $$\triangle DEF$$ are 100 cm$$^2$$ and 81 cm$$^2$$, respectively and the altitude of $$\triangle DEF$$ is 6.3 cm, then the corresponding altitude of $$\triangle ABC$$ is:
Akhil takes 30 minutes extra to cover a distance of 150 km if he drives 10 km/h slower than his usual speed. How much time will he take to drive 90 km if he drives 15 km per hourslowerthan his usual speed?
Select the option that can be used as a one-word substitute for the given group of words.
To throw an event into confusion or disorder
